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slide 1 chemistry, equations and you!!!! balancing equations slide 2 learning objective to explain what is meant by a “chemical reaction” to be able to name…
balancing chemical equations balancing by inspection most chemical equations we will encounter can be “balanced by inspection.” this involves a step-by-step approach.…
1. you will need: log #5(update on-line)pencil,…
balancing chemical equations 1. count the number of atoms on each side. ____h2 + ____o2 ____h2o1 reactants products h= 2 h=2 o= 2 o=1 2. see that there are more o’s on…
1. you will need:• counting atoms – 2 pages 4 sides – due now• log #3 (update on-line)• pencil, periodic table4. colored pencils5. balancing equations #1(pick-up…
1. balancing equations balancing, writing, and naming equations 2. balancing equations 3. balancing equations law of conservation of matter: in a chemical reaction, matter…
balance the following chemical equations 1.hc2h3o2 + ba(oh)2 = h2o + ba(c2h3o2)2 3 fe + 4 h2o = fe3o4 + 4 h2 13.co(no3)2 + naoh = co(oh)2 + nano3 => co(no3)2 + 2 naoh…
chemical reactions occur when bonds (between the electrons of atoms) are formed or broken chemical reactions involve changes in the chemical composition of matter the making…
balancing chemical equations refresh your skills with some of the websites listed earlier. do you remember your experiment with baking soda (nahco3) and vinegar (ch3cooh)?…
powerpoint presentation balancing redox equations iron (fe) rusts (is oxidized) when it reacts with oxygen (o2) in the air. 2fe + 3o2 fe2o3 [iron(iii) oxide] a new iron…
http://chemistry.about.com/cs/stoichiometry/a/aa042903a.htm https://www.easycalculation.com/chemistry/balancing-equations.php http://www.chemteam.info/equations/balance-equation.html…
1. learn these diatomic molecules: o2 h2 n2 f2 cl2 br2 i2 2. the same number of atoms of each element appearing in reactants must appear in the products. 3. the subscripts…
17.2 balancing equations antoine laurent lavoisier, established an important principal based on his experiments with chemical reactions. he stated that the total mass of…
1. calcium + hydrochloric acid (hcl) a calcium chloride and hydrogen (gas) ca + hcl a cacl2 + h2 ca + 2 hcl a cacl2 + h2 formula equation balanced chemical equation +2 -1…
conversions & balancing equations conversions & balancing equations mr. ramos 1 what are conversions? 2 conversion examples 3 the gasoline in an automobile gas…
balancing redox equations balancing redox equations electron transfer method (change in oxidation number method) works best for formula equations (no ions present) steps:…
balancing chemical equations matter is neither created or destroyed in a chemical change laws in most of life, laws get broken âspeed limit is 25mphâ people do go 26 though!…
balancing equations practice ___ p + ___ o2 ___ p4o10 ___co2 + ___nh3 ___oc(nh2)2 + __h2o ___ al2o3 ___ al + ___ o2 __albr3 + __k2so4 __kbr + __al2(so4)3…
balancing chemical equations chemical equations the chemical reactions are represented by chemical equations. it has two parts : 1. reactants (left hand side) 2. products…
chemical equation - describes a chemical change. parts of an equation: reactant - the chemical(s) you start with before the reaction. written on left side of equation. product…