chemistry ontario curriculum syllabus

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  • 7/25/2019 Chemistry Ontario Curriculum syllabus

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    Chemistry Ontario, Canada

    Grade 11

    Big Ideas

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    Matter, Chemical Trends,

    and Chemical Bonding

    Every element has predictable chemical and physical properties determined by its structure.

    The type of chemical bond in a compound determines the physical and chemical properties of that compound.

    It is important to use chemicals properly to minimie the ris!s to human health and the environment.

    Chemical Reactions Chemicals react in predictable "ays.

    Chemical reactions and their applications have significant implications for society and the environment.Quantities in Chemical

    Reactions

    #elationships in chemical reactions can be described $uantitatively.

    The efficiency of chemical reactions can be determined and optimied by applying an understanding of

    $uantitative relationships in such reactions.

    Solutions and Solubility %roperties of solutions can be described $ualitatively and $uantitatively, and can be predicted.&iving things depend for their survival on the uni$ue physical and chemical properties of "ater.

    %eople have a responsibility to protect the integrity of Earth's "ater resources.

    Gases and Atmospheric

    Chemistry

    %roperties of gases can be described $ualitatively and $uantitatively, and can be predicted.

    (ir $uality can be affected by human activities and technology.

    %eople have a responsibility to protect the integrity of Earth's atmosphere.

    A. Scientific Investigation Skills and Career Exploration

    Overall Expectations

    Throughout this course, students "ill)

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    (1. demonstrate scientific investigation s!ills *related to both in$uiry and research+ in the four areas of s!ills *initiating and planning, performing

    and recording, analysing and interpreting, and communicating+

    (-. Identify and describe careers related to the fields of science under study, and describe the contributions of scientists, including Canadians, to

    those fields.

    Learning

    objective

    Science process

    skill

    Specific Expectations / Learning Outcome

    (1.

    cientific

    Investigation

    !ills

    Initiating and

    lanning !I"#

    Throughout this course, students "ill)

    (1.1 formulate relevant scientific $uestions about observed relationships, ideas, problems, or issues, ma!e

    informed predictions, and/or formulate educated hypotheses to focus in$uiries or research(1.- select appropriate instruments *e.g., a balance, glass"are, titration instruments+ and materials *e.g.,

    molecular model !its, solutions+, and identify appropriate methods, techni$ues, and procedures, for each

    in$uiry

    (1.0 identify and locate a variety of print and electronic sources that enable them to address research topics

    fully and appropriately(1. apply !no"ledge and understanding of safe laboratory practices and procedures "hen planning

    investigations by correctly interpreting 2or!place 3aardous 4aterials Information ystem *234I+

    symbols by using appropriate techni$ues for handling and storing laboratory e$uipment and materials and

    disposing of laboratory materials and by using appropriate personal protection *e.g., "earing safety goggles+

    erforming and

    $ecording !$"#

    (1.5 conduct in$uiries, controlling relevant variables, adapting or e6tending procedures as re$uired, and

    using appropriate materials and e$uipment safely, accurately, and effectively, to collect observations and data(1.7 compile accurate data from laboratory and other sources, and organie and record the data, using

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    appropriate formats, including tables, flo" charts, graphs, and/or diagrams

    (1.8 select, organie, and record relevant information on research topics from a variety of appropriate

    sources, including electronic, print, and/or human sources, using suitable formats and an accepted form of

    academic documentation

    Anal%sing and

    Interpreting !AI"#

    (1.9 synthesie, analyse, interpret, and evaluate $ualitative and $uantitative data solve problems involving

    $uantitative data determine "hether the evidence supports or refutes the initial prediction or hypothesis and

    "hether it is consistent "ith scientific theory identify sources of bias and error and suggest improvements to

    the in$uiry to reduce the li!elihood of error(1.: analyse the information gathered from research sources for logic, accuracy, reliability, ade$uacy, and

    bias

    (1.1; dra" conclusions based on in$uiry results and research findings, and

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    #aymond &emieu6, &ouis Taillefer, =. >enneth 3are+, to the fields under study

    &. 'atter( C)emical *rends( and C)emical &onding

    Overall Expectations

    By the end of this course, students "ill)

    B1. (nalyse the properties of commonly used chemical substances and their effects on human health and the environment, and propose "ays to

    lessen their impact

    B-. Investigate physical and chemical properties of elements and compounds, and use various methods to visually represent them

    B0. ?emonstrate an understanding of periodic trends in the periodic table and ho" elements combine to form chemical bonds.

    Learning

    objective

    Science

    process

    skill

    Specific Expectations / Learning Outcome Sample issue Sample +uestion

    B1. #elating

    cience to

    Technology,

    ociety, and the

    Environment

    @I%, %#,

    (I, CA

    By the end of this course, students "ill)

    B1.1 analyse, on the basis of research, the properties of a

    commonly used but potentially harmful chemical substance

    *e.g., fertilier, pesticide, a household cleaning product,

    materials used in electronics and batteries+ and ho" that

    substance affects the environment, and propose "ays to lessen

    the harmfulness of the substance *e.g., by reducing the amount

    used, by modifying one of its chemical components+ or identify

    alternative substances that could be used for the same purpose

    Sample issue: 4any

    commercial household

    cleaning products contain

    corrosive substances that

    can accumulate in the

    environment. There are

    no" many green

    cleaners that do not

    contain these substances,

    although some of these

    products may not be as

    Sample questions:

    2hy is it more

    environmentally

    friendly to use late6

    rather than oilDbased

    paint 2hy should

    paint never be poured

    do"n a drain

    2hat properties of

    some common

    pharmaceuticals allo"

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    @(I, CA

    B1.- evaluate the ris!s and benefits to human health of some

    commonly used chemical substances *e.g., chemical additives

    in foods pharmaceuticals cosmetics and perfumes household

    cleaning products+

    environmentally friendly

    as claimed.

    Sample issue: (rtificial

    s"eeteners, such as

    aspartame, are used as

    sugar substitutes to reduce

    calories in processed foods

    and beverages. (lthough

    such s"eeteners may

    benefit people "ho are

    "atching their "eight, or

    those "ith diabetes, some

    e6perts say that their

    harmful effects on human

    health may out"eigh their

    benefits.

    them to stay in "ater

    systems and influence

    the gro"th and

    development of

    organisms 2hat are

    some "ays in "hich

    this impact can be

    reduced

    Sample questions:

    3o" can the use of

    nonDstic! coo!"are

    help reduce the

    amount of fat in our

    diet 2hat ris!s are

    associated "ith the use

    of such coo!"are

    2hat are the ris!s and

    benefits of using

    sunscreens that

    contain %(B( 2hat

    are the ris!s and

    benefits of using

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    insect repellents that

    contain ?EET

    B-. ?eveloping

    !ills of

    Investigation

    and

    Communicatio

    n

    @CA

    @(IA

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    CA

    @(I, CA

    By the end of this course, students "ill)

    B-.1 use appropriate terminology related to chemical trends

    and chemical bonding, including, but not limited to) atomic

    radius, effective nuclear charge, electronegativity, ionization

    energy, and electron affinity

    B-.- analyse data related to the properties of elements "ithin a

    period *e.g., ioniation energy, atomic radius+ to identify

    general trends in the periodic table

    B-.0 use an in$uiry process to investigate the chemical

    reactions of elements *e.g., metals, nonDmetals+ "ith other

    substances *e.g., o6ygen, acids, "ater+, and produce an activityseries using the resulting data

    B-. dra" &e"is structures to represent the bonds in ionic and

    molecular compounds

    B-.5 predict the nature of a bond *e.g., nonDpolar covalent,

    polar covalent, ionic+, using electronegativity values of atomsB-.7 build molecular models, and "rite structural formulae, for

    molecular compounds containing single and multiple bonds

    *e.g., CO-, 3-O, C-3+, and for ionic crystalline structures

    *e.g., FaCl+

    B-.8 "rite chemical formulae of binary and polyatomic

    compounds, including those "ith multiple valences, and name

    the compounds using the International nion of %ure and

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    (pplied Chemistry *I%(C+ nomenclature system

    B0.

    nderstanding

    Basic Concepts

    By the end of this course, students "ill)

    B0.1 e6plain the relationship bet"een the atomic number and

    the mass number of an element, and the difference bet"een

    isotopes and radioisotopes of an element

    B0.- e6plain the relationship bet"een isotopic abundance of an

    element's isotopes and the relative atomic mass of the element

    B0.0 state the periodic la", and e6plain ho" patterns in the

    electron arrangement and forces in atoms result in periodic

    trends *e.g., in atomic radius, ioniation energy, electron

    affinity, electronegativity+ in the periodic table

    B0. e6plain the differences bet"een the formation of ionic

    bonds and the formation of covalent bondsB0.5 compare and contrast the physical properties of ionic and

    molecular compounds *e.g., FaCl and C3 FaO3 and 3-O+

    C. Chemical #eactions

    Overall E6pectations

    By the end of this course, students "ill)

    C1. analyse chemical reactions used in a variety of applications, and assess their impact on society and the environmentC-. investigate different types of chemical reactions

    C0. demonstrate an understanding of the different types of chemical reactions

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    Learning

    objective

    Science

    process

    skill

    Specific Expectations / Learning Outcome Sample issue Sample +uestion

    C1. #elating

    cience to

    Technology,

    ociety, and the

    Environment

    @I%, %#,

    (I, CA

    By the end of this course, students "ill)C1.1 analyse, on the basis of research, chemical reactions used

    in various industrial processes

    *e.g., pulp and paper production, mining, chemical

    manufacturing+ that can have an impact on the health and

    safety of local populations

    Sample issue: crubber

    systems are a group of air

    pollution control devices

    used by industry to

    remove or neutralie acid

    e6haust gases before they

    reach the atmosphere.

    crubber technologieshelp to reduce acid

    precipitation, but there are

    many different scrubbing

    techni$ues "ith varying

    levels of effectiveness in

    controlling acid gas

    emissions.

    Sample issue: Base metal

    smelting produces useful

    metals such as inc, lead,

    Sample questions:

    3o" are chemical

    reactions used to

    remediate

    environments affected

    by chemical spills

    3o" can tailing ponds

    be rehabilitated tolessen the effects of

    haardous chemicals

    on plant populations

    2hat types of

    chemical reactions can

    change a to6ic

    chemical into one that

    is less to6ic or nonD

    to6ic

    Sample questions:

    2hat are some

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    @(I, CA

    C1.- assess the effectiveness of some applications of chemical

    reactions that are used to address social and environmental

    needs and problems

    copper, and nic!el directly

    from their ores. 3o"ever,

    during smelting, harmful

    compounds can be

    released into the

    environment, including

    cadmium, arsenic, sulfur

    dio6ide, and mercury, all

    of "hich can endanger the

    health and safety of local

    populations.

    chemical reactions

    used in the

    manufacture of paper

    3o" might the

    reactants or products of

    the pulp and paper

    production process

    affect the health of

    people living near the

    plant In "hat "ays

    might the leaching of

    chemicals from tailing

    ponds affect the "ater

    $uality in a local

    community In "hat

    "ays do to6ic chemical

    fires affect local

    communities

    C-. ?eveloping

    !ills of

    Investigation

    and

    @CA

    @%#, (I,

    By the end of this course, students "ill)

    C-.1 use appropriate terminology related to chemical reactions,

    including, but not limited to) neutralization, precipitate, acidic,

    and basic

    C-.- "rite balanced chemical e$uations to represent synthesis,

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    Communicatio

    n

    CA

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    decomposition, single displacement, double displacement, and

    combustion reactions, using the I%(C nomenclature system

    C-.0 investigate synthesis, decomposition, single displacement,

    and double displacement reactions, by testing the products of

    each reaction *e.g., test for products such as gases, the presenceof an acid, or the presence of a base+

    C-. predict the products of different types of synthesis and

    decomposition reactions *e.g., synthesis reactions in "hich

    simple compounds are formed synthesis reactions of metallic

    or nonDmetallic o6ides "ith "ater decomposition reactions, in

    "hich a chemical compound is separated into several

    compounds+

    C-.5 predict the products of single displacement reactions,

    using the metal activity series and the halogen series

    C-.7 predict the products of double displacement reactions

    *e.g., the formation of precipitates or gases neutraliation+

    C-.8 design an in$uiry to demonstrate the difference bet"een a

    complete and an incomplete combustion reaction

    C-.9 plan and conduct an in$uiry to compare the properties of

    nonDmetal o6ide solutions and metal o6ide solutions *e.g.,

    carbon dio6ide reacts "ith "ater to ma!e "ater acidic

    magnesium o6ide reacts "ith "ater to ma!e "ater basic+

    C-.: investigate neutraliation reactions *e.g., neutralie a

    dilute solution of sodium hydro6ide "ith a dilute solution of

    hydrochloric acid, and isolate the sodium chloride produced+

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    C-.1; plan and conduct an in$uiry to demonstrate a single

    displacement reaction, using elements from the metal activity

    series

    C0.

    nderstanding

    Basic Concepts

    By the end of this course, students "ill)

    C0.1 identify various types of chemical reactions, including

    synthesis, decomposition, single displacement, double

    displacement, and combustion

    C0.- e6plain the difference bet"een a complete combustion

    reaction and an incomplete combustion reaction *e.g., complete

    and incomplete combustion of hydrocarbon fuels+

    C0.0 e6plain the chemical reactions that result in the formation

    of acids and bases from metal o6ides and nonDmetal o6ides

    *e.g., calcium o6ide reacts "ith "ater to produce a basicsolution carbon dio6ide reacts "ith "ater to produce an acidic

    solution+

    ?. Huantities in Chemical #eactions

    Overall E6pectations

    By the end of this course, students "ill)

    ?1. analyse processes in the home, the "or!place, and the environmental sector that use chemical $uantities and calculations, and assess the

    importance of $uantitative accuracy in industrial chemical processes

    ?-. investigate $uantitative relationships in chemical reactions, and solve related problems

    ?0. demonstrate an understanding of the mole concept and its significance to the $uantitative analysis of chemical reactions.

    Learning Science Specific Expectations / Learning Outcome Sample issue Sample +uestion

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    objective process

    skill

    ?1. #elating

    cience to

    Technology,ociety, and the

    Environment

    @(I, CA

    @I%, %#,

    (I, CA

    By the end of this course, students "ill)

    ?1.1 analyse processes in the home, the "or!place, and the

    environmental sector that involve the use of chemical

    $uantities and calculations

    *e.g., mi6ing household cleaning solutions, calculating

    chemotherapy doses, monitoring pollen counts+

    ?1.- assess, on the basis of research, the importance of

    $uantitative accuracy in industrial chemical processes and the

    potential impact on the environment if $uantitative accuracy is

    not observed

    Sample issue: 3ealth care

    professionals are e6pected

    to calculate dosages of

    prescription drugs

    accurately and safely. This

    re$uires precision in

    applying fractions,

    decimals, ratios,

    percentages, and metric

    conversions.

    ?espite the care ta!en by

    health care professionals,

    improper medication use

    by patients accounts for

    about 0; of hospital

    emergency department

    visits.

    Sample issue: Errors in

    $uantitative accuracy have

    Sample questions:

    2hy is ba!ing po"der

    used in ca!e batter

    2hat happens "hen

    too much or too little

    of that ingredient is

    used 2hy might t"o

    people on the same

    drug regimen not

    necessarily ta!e the

    same dosage to treat

    the same illness 3o"

    are carbon dio6ide

    emissions calculated

    and "hy are they

    monitored

    Sample questions:

    2hy is it important to

    use the correct saltD

    sand mi6 on high"ays

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    played a role in many

    industrial chemical

    disasters "orld"ide.

    =ailing to ad

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    @(IA

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    number of particles, and atomic mass

    ?-. determine the empirical formulae and molecular formulae

    of various chemical compounds, given molar masses and

    percentage composition or mass data

    ?-.5 calculate the corresponding mass, or $uantity in moles or

    molecules, for any given reactant or product in a balanced

    chemical e$uation as "ell as for any other reactant or product

    in the chemical reaction

    ?-.7 solve problems related to $uantities in chemical reactions

    by performing calculations involving percentage yield and

    limiting reagents

    ?-.8 conduct an in$uiry to determine the actual yield,

    theoretical yield, and percentage yield of the products of a

    chemical reaction *e.g., a chemical reaction bet"een steel "ool

    and copper*II+ sulfate solution+, assess the effectiveness of the

    procedure, and suggest sources of e6perimental error

    ?0.

    nderstanding

    Basic Concepts

    By the end of this course, students "ill)?0.1 e6plain the la" of definite proportions

    ?0.- describe the relationships bet"een (vogadro's number,

    the mole concept, and the molar mass of any given substance

    ?0.0 e6plain the relationship bet"een the empirical formula

    and the molecular formula of a chemical compound

    ?0. e6plain the $uantitative relationships e6pressed in a

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    balanced chemical e$uation, using appropriate units of measure

    *e.g., moles, grams, atoms, ions, molecules+

    E. olutions and olubility

    Overall E6pectationsBy the end of this course, students "ill)

    E1. analyse the origins and effects of "ater pollution, and a variety of economic, social, and environmental issues related to drin!ing "ater

    E-. investigate $ualitative and $uantitative properties of solutions, and solve related problems

    E0. demonstrate an understanding of $ualitative and $uantitative properties of solutions.

    Learning

    objective

    Science

    process

    skill

    Specific Expectations / Learning Outcome Sample issue Sample +uestion

    E1. #elating

    cience to

    Technology,

    ociety, and the

    Environment

    @(I, CA

    By the end of this course, students "ill)

    E1.1 analyse the origins and cumulative effects of pollutants

    that enter our "ater systems *e.g., landfill leachates,

    agricultural runDoff, industrial effluents, chemical spills+, and

    e6plain ho" these pollutants affect "ater $uality

    Sample issue: Golf

    courses use fertilier and

    irrigation systems to

    sustain the vegetation.

    3o"ever, chemical

    substances, "hen

    combined "ith "ater, may

    Sample questions:

    2hat pollutants might

    be found in untreated

    "aste"ater from a

    chic!en farm or a

    poultryDprocessing

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    @(I, CAE1.- analyse economic, social, and environmental issues

    related to the distribution, purification, or use of drin!ing "ater

    *e.g., the impact on the environment of the use of bottled

    "ater+

    run off and pollute local

    "ater systems.

    Sample issue: In

    developing countries,

    thousands of people,

    many of them children,

    die every year from

    drin!ing contaminated

    "ater.

    4any of these countries

    cannot afford to build

    "ater treatment plants. In

    Forth (merica, "here

    safe "ater is generally

    plant 3o" do

    leachates from old

    landfill sites enter our

    "ater system 3o"

    might they affect the

    "ater $uality of local

    streams 2hat are

    some of the sources

    and effects of mercury

    in "ater systems

    2hat impact might this

    contaminant have on

    (boriginal

    communities that

    depend on fishing as a

    source of food

    Sample questions:

    2hat are the economic

    costs of building,

    maintaining, and

    monitoring "aterD

    purification plants

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    available, "e spend

    millions of dollars on

    bottled "ater, draining

    sources of fresh "ater and

    challenging "asteD

    disposal systems.

    2hat are the social and

    environmental costs if

    these plants are not

    properly maintained

    and monitored 3o"

    effective are municipal

    "aste"ater treatment

    processes at removing

    pharmaceuticals such

    as hormones and

    antibiotics from our

    drin!ing "ater 2hat

    public health concerns

    are associated "ith the

    consumption of "ater

    bottled in plastic

    containers

    E-. ?eveloping

    !ills of

    Investigation

    and

    Communicatio

    @CA

    @(I, CA

    By the end of this course, students "ill)

    E-.1 use appropriate terminology related to a$ueous solutionsand solubility, including, but not limited to) concentration,

    solubility, precipitate, ionization, dissociation, pH, dilute,

    solute, andsolvent

    E-.- solve problems related to the concentration of solutions

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    n

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    by performing calculations involving moles, and e6press the

    results in various units *e.g., moles per litre, grams per 1;; m&,

    parts per million or parts per billion, mass, volume per cent+

    E-.0 prepare solutions of a given concentration by dissolving a

    solid solute in a solvent or by diluting a concentrated solution E-. conduct an investigation to analyse $ualitative and

    $uantitative properties of solutions *e.g., perform a $ualitative

    analysis of ions in a solution+

    E-.5 "rite balanced net ionic e$uations to represent

    precipitation and neutraliation reactions

    E-.7 use stoichiometry to solve problems involving solutions

    and solubility

    E-.8 determine the concentration of an acid or a base in a

    solution *e.g., the concentration of acetic acid in vinegar+,

    using the acidJbase titration techni$ue

    E-.9 conduct an investigation to determine the concentrations

    of pollutants in their local treated drin!ing "ater, and compare

    the results to commonly used guidelines and standards *e.g.,

    provincial and federal standards+

    E0.nderstanding

    Basic Concepts

    By the end of this course, students "ill)E0.1 describe the properties of "ater *e.g., polarity, hydrogen

    bonding+, and e6plain "hy these properties ma!e "ater such a

    good solvent

    E0.- e6plain the process of formation for solutions that are

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    produced by dissolving ionic and molecular compounds *e.g.,

    salt, o6ygen+ in "ater, and for solutions that are produced by

    dissolving nonDpolar solutes in nonDpolar solvents *e.g., grease

    in vegetable oil+

    E0.0 e6plain the effects of changes in temperature and pressureon the solubility of solids, li$uids, and gases *e.g., e6plain ho"

    a change in temperature or atmospheric pressure affects the

    solubility of o6ygen in la!e "ater+

    E0. identify, using a solubility table, the formation of

    precipitates in a$ueous solutions *e.g., the use of iron or

    aluminum compounds to precipitate and remove phosphorus

    from "aste"ater+

    E0.5 e6plain the (rrhenius theory of acids and basesE0.7 e6plain the difference bet"een strong and "ea! acids, and

    bet"een strong and "ea! bases, in terms of degree of

    ioniation

    =. Gases and (tmospheric

    Chemistry

    Overall E6pectations

    By the end of this course, students "ill)

    =1. analyse the cumulative effects of human activities and technologies on air $uality, and describe some Canadian initiatives to reduce air pollution,

    including "ays to reduce their o"n carbon footprint

    =-. investigate gas la"s that e6plain the behaviour of gases, and solve related problems

    =0. demonstrate an understanding of the la"s that e6plain the behaviour of gases.

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    Learning

    objective

    Science

    process

    skill

    Specific Expectations / Learning Outcome Sample issue Sample +uestion

    =1. #elating

    cience toTechnology,

    ociety, and the

    Environment

    @(I, CA

    @(I, CA

    By the end of this course, students "ill)

    =1.1 analyse the effects on air $uality of some technologies and

    human activities *e.g., smelting driving gasDpo"ered vehicles+,

    including their o"n activities, and propose actions to reduce

    their personal carbon footprint

    =1.- assess air $uality conditions for a given Canadian

    location, using Environment Canada's (ir Huality 3ealth

    Inde6, and report on some Canadian initiatives to improve air

    $uality and reduce greenhouse gases *e.g., Ontario's ?riveClean program to control vehicle emissions+

    Sample issue: GasD

    po"ered la"nmo"ers cutgrass $uic!ly and

    efficiently, but they emit

    greenhouse gases.

    3o"ever, there are several

    alternatives, including

    electric or push mo"ers or

    replacing la"n "ith a

    naturalied garden.

    Sample issue:

    3istorically, mining andsmelting polluted the air,

    land, and "ater around

    udbury, Ontario. 4ore

    Sample questions: In

    "hat "ays does ourconsumption of

    products imported

    from distant countries

    affect our carbon

    footprint 3o" might

    eat localJbuy local

    initiatives help to

    reduce our carbon

    footprint 3o"

    effectively does the use

    of digital

    communications for

    business reduce our

    carbon footprint

    Sample questions:

    3o" effective has

    Ontario's ?rive Clean

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    recently, as a result of

    government regulations,

    industry has significantly

    reduced emissions,

    leading to an

    improvement in air

    $uality and reversal in the

    acidification of local

    "ater"ays.

    program been in

    reducing greenhouse

    gas emissions in the

    province 2hat are

    some industrial and

    geographic factors that

    might ma!e air $uality

    in some communities

    very different from that

    in others 2hat are

    some municipal

    governments doing to

    improve local air

    $uality 3o" can

    public transit

    initiatives help

    improve air $uality

    2hat are the

    limitations of suchinitiatives

    =-. ?eveloping

    !ills of

    Investigation

    By the end of this course, students "ill)

    =-.1 use appropriate terminology related to gases and

    atmospheric chemistry, including, but not limited to)standard

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    and behaviour of gases in terms of types and degrees of

    molecular motion

    =0. describe, for an ideal gas, the $uantitative relationships

    that e6ist bet"een the variables of pressure, volume,

    temperature, and amount of substance=0.5 e6plain ?alton's la" of partial pressures, Boyle's la",

    Charles's la", GayD&ussac's la", the combined gas la", and the

    ideal gas la"

    =0.7 e6plain (vogadro's hypothesis and ho" his contribution

    to the gas la"s has increased our understanding of the chemical

    reactions of gases

    Chemistry, Grade 1-

    Big Ideas

    rganic

    Chemistry

    Organic compounds have predictable chemical and physical properties determined by their respective structures.Organic chemical reactions and their applications have significant implications for society, human health, and the

    environment.

    Structure and

    !roperties o"

    Matter

    The nature of the attractive forces that e6ist bet"een particles in a substance determines the properties and limits the uses of

    that substance.

    Technological devices that are based on the principles of atomic and molecular structures can have societal benefits and

    costs.

    #nergy Changes Energy changes and rates of chemical reactions can be described $uantitatively.

    Efficiency of chemical reactions can be improved by applying optimal conditions.

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    and Rates o"

    Reaction

    Technologies that transform energy can have societal and environmental costs and benefits.

    Chemical

    Systems and

    #quilibrium

    Chemical systems are dynamic and respond to changing conditions in predictable "ays.

    (pplications of chemical systems at e$uilibrium have significant implications for nature and industry.

    #lectrochemistry O6idation and reduction are paired chemical reactions in "hich electrons are transferred from one substance to another in a

    predictable "ay.

    The control and applications of o6idation and reduction reactions have significant implications for industry, health and

    safety, and the environment.

    (. cientific Investigation !ills and Career E6ploration

    Overall E6pectations

    Throughout this course, students "ill)

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    (1. demonstrate scientific investigation s!ills *related to both in$uiry and research+ in the four areas of s!ills *initiating and planning, performing

    and recording, analysing and interpreting, and communicating+

    (-. identify and describe careers related to the fields of science under study, and describe the contributions of scientists, including Canadians, to

    those fields.

    Learningobjective

    Science processskill

    Specific Expectations / Learning Outcome

    (1.

    cientific

    Investigation

    !ills

    Initiating and

    %lanning @I%AK

    (1.1 formulate relevant scientific $uestions about observed relationships, ideas, problems, or issues, ma!e

    informed predictions, and/or formulate educated hypotheses to focus in$uiries or research(1.- select appropriate instruments *e.g., glass"are, calorimeter, thermometer+ and materials

    *e.g., chemical compounds and solutions+, and identify appropriate methods, techni$ues, and procedures, for

    each in$uiry

    (1.0 identify and locate a variety of print and electronic sources that enable them to address research topics

    fully and appropriately(1. apply !no"ledge and understanding of safe laboratory practices and procedures "hen planning

    investigations by correctly interpreting 2or!place 3aardous 4aterials Information ystem *234I+

    symbols by using appropriate techni$ues for handling and storing laboratory e$uipment and materials and

    disposing of laboratory materials and by using appropriate personal protection *e.g., "earing safety goggles+

    %erforming and

    #ecording @%#AK

    (1.5 conduct in$uiries, controlling relevant variables, adapting or e6tending procedures as re$uired, and

    using appropriate materials and e$uipment safely, accurately, and effectively, to collect observations and data

    (1.7 compile accurate data from laboratory and other sources, and organie and record the data, using

    appropriate formats, including tables, flo" charts, graphs, and/or diagrams(1.8 select, organie, and record relevant information on research topics from a variety of appropriate

    sources, including electronic, print, and human sources, using suitable formats and an accepted form of

    academic documentation

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    (nalysing and

    Interpreting @(IAK

    (1.9 synthesie, analyse, interpret, and evaluate $ualitative and/or $uantitative data solve problems

    involving $uantitative data determine "hether the evidence supports or refutes the initial prediction or

    hypothesis and "hether it is consistent "ith scientific theory identify sources of bias and error and suggest

    improvements to the in$uiry to reduce the li!elihood of error

    (1.: analyse the information gathered from research sources for logic, accuracy, reliability, ade$uacy, andbias

    (1.1; dra" conclusions based on in$uiry results and research findings, and

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    Overall E6pectations

    By the end of this course, students "ill)

    B1. assess the social and environmental impact of organic compounds used in everyday life, and propose a course of action to reduce the use of

    compounds that are harmful to human health and the environment

    B-. investigate organic compounds and organic chemical reactions, and use various methods to represent the compounds

    B0. demonstrate an understanding of the structure, properties, and chemical behaviour of compounds "ithin each class of organic compounds.

    Learning

    objective

    Science

    process

    skill

    Specific Expectations / Learning Outcome Sample issue Sample +uestion

    B1. #elating

    cience to

    Technology,

    ociety, and the

    Environment

    @(I, CA

    By the end of this course, students "ill)

    B1.1 assess the impact on human health, society, and the

    environment of organic compounds used in everyday life *e.g.,

    polymers, nutritional supplements, food additives,

    pharmaceuticals, pesticides+

    Sample issue: Organic

    solvents can dissolve

    many substances such as

    paint, oil, and grease.

    They are used to produce

    plastics, dyes, detergents,

    te6tiles, and

    pharmaceuticals.

    3o"ever, "or!ers

    e6posed to organic

    solvents may e6perience

    longDterm effects on their

    health. (lso, solvents

    Sample questions:

    2hat methods should

    be used to safely

    dispose of volatile

    organic compounds

    2hat 234I symbols

    or 3ousehold

    3aardous 2aste

    ymbols *332+should appear on

    containers of

    pesticides 2hy are

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    from industrial spills and

    lea!s can leach into soil

    and ground"ater, posing

    serious health and

    environmental ris!s.

    organic compounds

    added to food

    products 2hat impact

    can these additives

    have on human health

    @(I, CA B1.- propose a personal course of action to reduce the use of

    compounds that are harmful to human health and the

    environment *e.g., "eed la"ns by hand rather than using

    herbicides, use cloth bags for shopping to reduce the number of

    plastic bags in landfill sites, choose fuelDefficient or hybrid

    vehicles to reduce fossil fuel emissions+

    Sample issue: 4any

    Ontario communities have

    banned the use of

    pesticides. (s a

    conse$uence of these byD

    la"s, many homeo"ners

    are see!ing alternative

    "ays of controlling "eeds

    in their la"ns.

    Sample questions:

    3o" long does it ta!e

    for plastic garbage

    bags to decompose in a

    landfill site 2hat

    biodegradable

    materials can be used

    to replace polystyrene

    as a pac!aging

    material 2hat are

    some technologies and

    features that are

    ma!ing ne" cars more

    fuelDefficient

    B-. ?eveloping

    !ills of

    Investigation

    @CA

    By the end of this course, students "ill)

    B-.1 use appropriate terminology related to organic chemistry,

    including, but not limited to) organic compound, functional

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    and

    Communicatio

    n

    @(I, CA

    @%#, (IA

    group, saturated hydrocarbon, unsaturated hydrocarbon,

    structuralisomer, stereoisomer, andpolymer

    B-.- use International nion of %ure and (pplied Chemistry

    *I%(C+ nomenclature conventions to identify names, "rite

    chemical formulae, and create structural formulae for the

    different classes of organic compounds, including

    hydrocarbons, alcohols, aldehydes, !etones, carbo6ylic acids,

    esters, ethers, amines, amides, and simple aromatic compounds

    B-.0 build molecular models for a variety of simple organic

    compounds @%#, (I, CA B-. analyse, on the basis of in$uiry,

    various organic chemical reactions *e.g., production of esters,

    polymeriation, o6idation of alcohols, multiple bonds in an

    organic compound, combustionreactions, addition reactions+

    B0.

    nderstanding

    Basic Concepts

    By the end of this course, students "ill)

    B0.1 compare the different classes of organic compounds,

    including hydrocarbons, alcohols, aldehydes, !etones,

    carbo6ylic acids, esters, ethers, amines, and amides, by

    describing the similarities and differences in names and

    structural formulae of the compounds "ithin each class

    B0.- describe the similarities and differences in physicalproperties *e.g., solubility in different solvents, odour, melting

    point, boiling point+ "ithin each class of organic compounds

    B0.0 e6plain the chemical changes that occur during various

    types of organic chemical reactions, including substitution,

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    addition, elimination, o6idation, esterification, and hydrolysis

    B0. e6plain the difference bet"een an addition reaction and a

    condensation polymeriation reactionB0.5 e6plain the concept of isomerism in organic compounds,

    and ho" variations in the properties of isomers relate to their

    structural and molecular formulae

    C. tructure and %roperties of 4atter

    Overall E6pectationsBy the end of this course, students "ill)

    C1. assess the benefits to society and evaluate the environmental impact of products and technologies that apply principles related to the structure

    and properties of matter

    C-. investigate the molecular shapes and physical properties of various types of matter

    C0. demonstrate an understanding of atomic structure and chemical bonding, and ho" they relate to the physical properties of ionic, molecular,

    covalent net"or!, and metallic substances.

    Learning

    objective

    Science

    process

    skill

    Specific Expectations / Learning Outcome Sample issue Sample +uestion

    C1. #elating

    cience to

    Technology,

    ociety, and the

    Environment

    @(I, CA

    By the end of this course, students "ill)

    C1.1 assess the benefits to society of technologies that are

    based on the principles of atomic and molecular structures

    *e.g., magnetic resonance imaging @4#IA, infraredspectroscopy, LDray crystallography, nuclear energy, medical

    applications of spectroscopy and mass spectrometry+

    Sample issue: In

    medicine, radioisotopes

    are bonded "ith chemical

    compounds to form

    radioactive tracers, "hich

    are then in

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    radiation emitted by the

    tracers allo"s doctors to

    obtain images of organ

    systems, facilitating the

    early and accurate

    diagnosis of disease.

    3o"ever, to avoid

    radioactive contamination,

    care must be ta!en in the

    storage, use, and disposal

    of this material.

    mass spectrometry

    advanced our

    understanding of

    atomic and molecular

    structure 2hat social

    benefits are associated

    "ith such advances

    @(I, CA C1.- evaluate the benefits to society, and the impact on the

    environment, of specialied materials that have been created on

    the basis of scientific research into the structure of matter and

    chemical bonding *e.g., bulletproof fabric, nanotechnologies,

    superconductors, instant adhesives+

    Sample issue:

    Fanoparticles have many

    potential applications in

    medicine, including the

    improvement of drug

    delivery systems, the

    enhancement of

    diagnostic images, and

    use in surgical robotics,

    all of "hich could

    improve the effectiveness

    of our health care system.

    Sample questions:

    2hat precautions are

    ta!en to protect the

    health and safety of

    people "or!ing "ith

    nanoparticles 2hat

    properties of

    disposable diapers

    enable them to hold so

    much li$uid 2hat

    impact has the

    "idespread use of such

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    3o"ever, nanoparticle

    contamination can have a

    negative effect on the

    environment.

    diapers had on the

    environment 2hat

    impact has the

    development of

    synthetic fibres, such

    as nylon, had on

    society 2hat "ould

    your life be li!e if

    there "ere no plastics

    In "hat "ays has the

    invention of the silicon

    chip changed societyC-. ?eveloping

    !ills of

    Investigation

    and

    Communicatio

    n

    By the end of this course, students "ill)

    C-.1 use appropriate terminology related to structure and

    properties of matter, including, but not limited to) orbital,

    emission spectrum, energy level,photon, and dipole @CA

    C-.- use the %auli e6clusion principle, 3und's rule, and the

    aufbau principle to "rite electron configurations for a variety

    of elements in the periodic table @(I, CA

    C-.0 predict the shapes of simple molecules and ions *e.g.,

    C3, O0, O-, 3-O, F3M+, using the valence shell electron

    pair repulsion *NE%#+ model, and dra" diagrams to represent

    their molecular shapes @(I, CA

    C-. predict the polarity of various chemical compounds,

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    based on their molecular shapes and the difference in the

    electronegativity values of the atoms @(IA

    C-.5 predict the type of solid *ionic, molecular, covalent

    net"or!, metallic+ formed by a given substance in a chemical

    reaction, and describe the properties of that solid @(IA

    C-.7 conduct an in$uiry to observe and analyse the physical

    properties of various substances *e.g., salts, metals+ and to

    determine the type of chemical bonding present in each

    substance @%#, (IA

    C0.

    nderstanding

    Basic Concepts

    By the end of this course, students "ill)

    C0.1 e6plain ho" e6perimental observations and inferences

    made by Ernest #utherford and Fiels Bohr contributed to the

    development of the planetary model of the hydrogen atom

    C0.- describe the electron configurations of a variety of

    elements in the periodic table, using the concept of energy

    levels in shells and subshells, as "ell as the %auli e6clusion

    principle, 3und's rule, and the aufbau principle

    C0.0 identify the characteristic properties of elements in each

    of thes, p, and dbloc!s of the periodic table, and e6plain the

    relationship bet"een the position of an element in the periodic

    table, its properties, and its electron configurationC0. e6plain ho" the physical properties of a solid or li$uid

    *e.g., solubility, boiling point, melting point, melting point

    suppression, hardness, electrical conductivity, surface tension+

    depend on the particles present and the types of intermolecular

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    and intramolecular forces *e.g., covalent bonding, ionic

    bonding, Nan der 2aals forces, hydrogen bonding, metallic

    bonding+

    C0.5 describe a Canadian contribution to the field of atomic

    and molecular theory *e.g., the "or! of #ichard =.2. Bader of

    4c4aster niversity on electronic density in small molecules

    the "or! of #obert . &e#oy of the niversity of 2aterloo on

    the mathematical techni$ue to determine the atomic radius of

    molecules !no"n as the &e#oy #adius the "or! of #onald .

    Gillespie of 4c4aster niversity on the NE%# model+

    ,. Energ% C)anges and $ates of $eaction

    Overall Expectations

    By the end of this course, students "ill)

    ?1. analyse technologies and chemical processes that are based on energy changes, and evaluate them in terms of their efficiency and their effects on

    the environment

    ?-. investigate and analyse energy changes and rates of reaction in physical and chemical processes, and solve related problems

    ?0. demonstrate an understanding of energy changes and rates of reaction.

    Learningobjective

    Scienceprocess

    skill

    Specific Expectations / Learning Outcome Sample issue Sample +uestion

    ?1. #elating

    cience to

    By the end of this course, students "ill)

    ?1.1 analyse some conventional and alternative energy

    Sample issue: The

    cooling of homes and

    Sample questions:

    2hat proportion of

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    Technology,

    ociety, and the

    Environment

    technologies *e.g., fossil fuelJburning po"er plants, hydroD

    po"ered generators, solar panels, "ind turbines, fuel cells+,

    and evaluate them in terms of their efficiency and impact on

    the environment @(I, CA

    commercial buildings in

    summer re$uires more

    energy than heating in the

    "inter at pea! times.

    Bro"nouts are more

    li!ely in summer than in

    "inter. 3o"ever, ne"

    technologies use deep

    la!e "ater cooling as an

    alternative to conventional

    air conditioning systems

    in office to"ers. Thissignificantly reduces

    energy use and its

    environmental impact.

    Ontario's energy needs

    is served by solar and

    "ind technologies

    2hat are the pros and

    cons of e6panding the

    availability of these

    technologies

    2hat types of

    chemical reactions

    occur in different types

    of fuel cells 2hat are

    the advantages and

    disadvantages, in terms

    of efficiency and

    environmental impact,

    of using corn to

    produce ethanol fuel

    ?1.- analyse the conditions *e.g., temperature, pressure,

    presence of a catalyst+ re$uired to ma6imie the efficiency of

    some common natural or industrial chemical reactions *e.g.,

    decomposition, combustion, neutraliation+, and e6plain ho"

    the improved efficiency of the reaction contributes to

    Sample issue: Bleaches

    such as hydrogen

    pero6ide and chlorine are

    used "hen fibres are

    processed into paper or

    Sample questions:

    3o" can you increase

    the rate of

    decomposition in a

    home composter

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    environmental sustainability @(I, CA te6tiles. Concentrations of

    these substances can harm

    the environment, but if

    enymes are added to

    these processes as

    biocatalysts, fe"er

    chemicals are needed, less

    energy is consumed, and

    there is less

    environmental impact.

    2hat can be done to

    improve the efficiency

    of an automobile that

    runs entirely on fossil

    fuels 2hy is

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    and e6press the results in energy per mole of fuel @/molA+ @(I,

    CA

    ?-. plan and conduct an in$uiry to calculate, using a

    calorimeter, the heat of reaction of a substance *e.g., the heat of

    solution of ammonium nitrate, or of combustion of a

    hydrocarbon+, compare the actual heat of reaction to the

    theoretical value, and suggest sources of e6perimental error @I%,

    %#, (I, CA

    ?-.5 solve problems related to energy changes in a chemical

    reaction, using 3ess's la" @(IA

    ?-.7 conduct an in$uiry to test 3ess's la" *e.g., measure heats

    of reaction from the combustion of magnesium, and combine

    them to yield the PH value of the reaction+ @%#, (IA?-.8 calculate the heat of reaction for a formation reaction,

    using a table of standard enthalpies of formation and applying

    3ess's la" @(IA

    ?-.9 plan and conduct an in$uiry to determine ho" various

    factors *e.g., change in temperature, addition of a catalyst,

    increase in surface area of a solid reactant+ affect the rate of a

    chemical reaction @I%, %#, (IA

    ?0.

    nderstanding

    Basic Concepts

    By the end of this course, students "ill)

    ?0.1 compare the energy changes resulting from physical

    change *e.g., boiling "ater+, chemical reactions *e.g., bleaching

    a stain+, and nuclear reactions *e.g., fission, fusion+, in terms of

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    "hether energy is released or absorbed

    ?0.- compare the energy change from a reaction in "hich

    bonds are formed to one in "hich bonds are bro!en, and

    e6plain these changes in terms of endothermic and e6othermic

    reactions

    ?0.0 e6plain ho" mass, heat capacity, and change in

    temperature of a substance determine the amount of heat

    gained or lost by the substance

    ?0. state 3ess's la", and e6plain, using e6amples, ho" it is

    applied to find the enthalpy changes of a reaction

    ?0.5 e6plain, using collision theory and potential energy

    diagrams, ho" factors such as temperature, the surface area of

    the reactants, the nature of the reactants, the addition of

    catalysts, and the concentration of the solution control the rate

    of a chemical reaction

    ?0.7 describe simple potential energy diagrams of chemical

    reactions *e.g., the relationships bet"een the relative energies

    of reactants and products and the activation energy of the

    reaction+

    ?0.8 e6plain, "ith reference to a simple chemical reaction

    *e.g., combustion+, ho" the rate of a reaction is determined by

    the series of elementary steps that ma!e up the overall reaction

    mechanism

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    E. Chemical ystems and E$uilibrium

    Overall E6pectations

    By the end of this course, students "ill)

    E1. analyse chemical e$uilibrium processes, and assess their impact on biological, biochemical, and technological systems

    E-. investigate the $ualitative and $uantitative nature of chemical systems at e$uilibrium, and solve related problems

    E0. demonstrate an understanding of the concept of dynamic e$uilibrium and the variables that cause shifts in the e$uilibrium of chemical systems.

    Learning

    objective

    Science

    process

    skill

    Specific Expectations / Learning Outcome Sample issue Sample +uestion

    E1. #elating

    cience to

    Technology,

    ociety, and the

    Environment

    By the end of this course, students "ill)

    E1.1 analyse the optimal conditions for a specific chemical

    process related to the principles of e$uilibrium that ta!es place

    in nature or is used in industry *e.g., the production of sulfuric

    acid, electrolyte balance in the human body, sedimentation in

    "ater systems+ @(I, CA

    Sample issue: The

    principle of dynamic

    e$uilibrium is used in

    industrial processes to

    ma6imie the

    concentration of products

    and minimie leftover

    reactants. Industrial

    chemists determine ideal

    pressure and temperature

    conditions, and proper

    catalysts, so that fe"er

    materials and less energy

    are used.

    Sample questions:

    2hy are lo"

    temperature conditions

    not used "ith

    e6othermic reactions

    3o" do chemicals

    dissolved in human

    blood help maintain a

    blood p3 level

    bet"een 8.- and 8.

    E1.- assess the impact of chemical e$uilibrium processes on Sample issue: 3eavy Sample questions:

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    various biological, biochemical, and technological systems

    *e.g., remediation in areas of heavy metal contamination,

    development of gallstones, use of buffering in medications, use

    of barium sulphate in medical diagnosis+ @(I, CA

    metals such as copper,

    lead, and inc can

    accumulate to to6ic levels

    in the human body. (

    process called chelation,

    "hich causes a chemical

    reaction involving an

    e$uilibrium shift, removes

    the metals from the

    body before permanent

    organ damage occurs.

    2hy are headache

    tablets buffered 2hy

    is barium sulfate safe

    to use for

    LDrays of the digestive

    system even though

    barium ions are

    poisonous 3o" do

    !idney stones form

    E-. ?eveloping

    !ills of

    Investigation

    and

    Communicatio

    n

    By the end of this course, students "ill)

    E-.1 use appropriate terminology related to chemical systemsand e$uilibrium, including, but not limited to) homogeneous,

    closed system, reversible reaction, equilibrium constant,

    equilibrium concentration, molar solubility,and buffer @CA

    E-.- predict, applying &e ChRtelier's principle or the reaction

    $uotient for a given reaction, ho" various factors *e.g., changes

    in volume, temperature, or concentration of reactants or

    products in a solution+ "ould affect a chemical system at

    e$uilibrium, and conduct an in$uiry to test those predictions

    @%#, (IA

    E-.0 conduct an in$uiry to determine the value of an

    e$uilibrium constant for a chemical reaction *e.g., >e$ for

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    iron*III+ thiocyanate, >sp for calcium hydro6ide, >a for acetic

    acid+ @%#, (IA

    E-. solve problems related to e$uilibrium by performing

    calculations involving concentrations of reactants and products

    *e.g., >e$, >sp, >a, p3, pO3, >p, >b+ @(IA

    E-.5 solve problems related to acidJbase e$uilibrium, using

    acidJbase titration data and the p3 at the e$uivalence point

    @(IA

    E0.

    nderstanding

    Basic Concepts

    By the end of this course, students "ill)E0.1 e6plain the concept of dynamic e$uilibrium, using

    e6amples of physical and chemical e$uilibrium systems *e.g.,

    li$uidJvapour e$uilibrium, "ea! electrolytes in solution,

    reversible chemical reactions+

    E0.- e6plain the concept of chemical e$uilibrium and ho" it

    applies to the concentration of reactants and products in a

    chemical reaction at e$uilibrium

    E0.0 e6plain &e ChRtelier's principle and ho" it applies to

    changes to a chemical reaction at e$uilibriumE0. identify common e$uilibrium constants, including >e$,

    >sp, >", >a, >b, and >p, and "rite the e6pressions for each

    E0.5 use the ioniation constant of "ater *>"+ to calculate p3,

    pO3, @30O-A, and @O3JA for chemical reactionsE0.7 e6plain the BrSnstedD&o"ry theory of acids and bases

    E0.8 compare the properties of strong and "ea! acids, and

    strong and "ea! bases, using the concept of dynamic

    e$uilibrium

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    E0.9 describe the chemical characteristics of buffer solutions

    =. ElectrochemistryOverall E6pectations

    By the end of this course, students "ill)

    =1. analyse technologies and processes relating to electrochemistry, and their implications for society, health and safety, and the environment

    =-. investigate o6idationDreduction reactions using a galvanic cell, and analyse electrochemical reactions in $ualitative and $uantitative terms

    =0. demonstrate an understanding of the principles of o6idationDreduction reactions and the many practical applications of electrochemistry.

    Learning

    objective

    Science

    process

    skill

    Specific Expectations / Learning Outcome Sample issue Sample +uestion

    =1. #elating

    cience to

    Technology,

    ociety, and the

    Environment

    By the end of this course, students "ill)

    =1.1 assess, on the basis of research, the viability of using

    electrochemical technologies as alternative sources of energy

    *e.g., fuel cells for emergency po"er generation or as po"er

    sources in remote locations+, and e6plain their potential impact

    on society and the environment @I%, %#, (I, CA

    Sample issue: 3ydrogen

    fuel cells use hydrogen as

    the fuel and o6ygen as the

    o6idant, and produce

    "ater, rather than

    environmentally harmful

    greenhouse gases, as

    "aste. (lthough some

    cars run on such cells,

    practical problems must

    Sample questions:

    2hat is the capacity of

    a standard rechargeable

    battery before it has to

    be recharged 2hat

    methods should be

    used to dispose of

    depleted batteries

    2hat impact has the

    use of rechargeable

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    be resolved before this

    source of energy is

    commonly used in the

    transportation sector.

    batteries in portable

    electronic devices had

    on society

    =1.- analyse health and safety issues involving

    electrochemistry *e.g., corrosion of metal pipes in drin!ing

    "ater systems+ @(I, CA

    Sample issue: Corrosion

    is a leading cause of

    structural degradation of

    bridges and road"ays.Fot only does rust "ea!en

    metal structures, but as it

    builds up it forces apart

    connecting parts of thestructure, causing the

    structure to fail and

    ris!ing public safety. et,

    methods used to prevent

    corrosion may also have

    negative effects on human

    health.

    Sample questions:

    2hat health and safety

    haards are associated

    "ith "aste generated

    by electroplating

    companies 2hy do

    metal orthodontic

    braces not corrode

    2hat are some of the

    to6ic substances that

    can escape from

    electronic "aste into

    the environment 2hat

    are the potential effects

    of these poisons on our

    health

    =-. ?eveloping

    !ills of

    By the end of this course, students "ill)=-.1 use appropriate terminology related to electrochemistry,

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    Investigation

    and

    Communicatio

    n

    including, but not limited to) half-reaction, electrochemical

    cell, reducing agent, oxidizing agent, redox reaction, and

    oxidationnumber @CA

    =-.- conduct an in$uiry to analyse, in $ualitative terms, an

    o6idationDreduction *redo6+ reaction @%#, (I, CA

    =-.0 "rite balanced chemical e$uations for o6idationDreduction

    reactions, using various methods including o6idation numbers

    of atoms and the halfDreaction method of balancing @(I, CA

    =-. build a galvanic cell and measure its cell potential @%#,

    (IA

    =-.5 analyse the processes in galvanic cells, and dra" labelled

    diagrams of these cells to sho" the o6idation or reduction

    reaction that occurs in each of the halfDcells, the direction of

    electron flo", the electrode polarity *anode and cathode+, the

    cell potential, and the direction of ion movement @(I, CA

    =-.7 predict the spontaneity of redo6 reactions, based on

    overall cell potential as determined using a table of standard

    reduction potentials for redo6 halfDreactions @(IA

    =0.

    nderstanding

    Basic Concepts

    By the end of this course, students "ill)

    =0.1 e6plain redo6 reactions in terms of the loss and gain of

    electrons and the associated change in o6idation number=0.- identify the components of a galvanic cell, and e6plain

    ho" each component functions in a redo6 reaction

    =0.0 describe galvanic cells in terms of o6idation and reduction

    halfDcells "hose voltages can be used to determine overall cell

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    potential

    =0. e6plain ho" the hydrogen halfDcell is used as a standard

    reference to determine the voltages of another halfDcell=0.5 e6plain some applications of electrochemistry in common

    industrial processes *e.g., in refining metals such as aluminum

    and inc in the production of hydrogen+=0.7 e6plain the corrosion of metals in terms of an

    electrochemical process, and describe some common

    corrosionDinhibiting techni$ues *e.g., painting, galvaniing,

    cathodic protection+