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slide 1 introduction to: balancing chemical equations slide 2 outline information in chemical equations why do we have to balance equations?? human balancing act balancing…
here is an equation that needs to be balanced: kno 2 + o 2 kno 3 knokno now add up how many k n and o you have on each side
slide 1 balancing equations balancing, writing, and naming equations slide 2 2 mass:proton = 1.00728 amu neutron = 1.0086 amu electron = 0.0005486 12 c atom = 12.00000 amu…
word equations and balancing equations video notes in this lesson, you will: • use the law of conservation of mass and provide standard rules for writing and balancing…
slide 1 balancing equations: 1 st …review what we already know. slide 2 a formula is a representation of a molecule of an element or a molecule of a compound. slide 3 the…
1. • chemical reactions result in chemical changes. – chemical changes occur when new substances are created. – the original substance(s), called reactants, change…
monday, november 28th bellwork: what is the chemical in turkeys that supposedly causes fatigue? monday, november 28th bellwork: tryptophan tryptophan is an essential amino…
balancing equations balancing, writing, and naming equations balancing equations balancing equations law of conservation of matter: in a chemical reaction, matter can be…
* * if a chemical equation does not obey the law of conservation of mass the equation is said to be what? not balanced so let’s look at the steps we need to take to balance…
balancing equations can we do it? yes we can!!! h2 + o2 h2o make your molecules with marshmallows and toothpicks. h ___ o ___ h ___ o ___ 2 2 2 1 balanced? nope, now…
* * chemical equation must obey the law of conservation of mass. according to the law, mass cannot be created or destroyed balanced or not balanced? mass of reactants: molar…
balancing equations here are the problems and answers for the card game we played in class card # equation 1 na + h2o ---> naoh + h2 2 c10h16 + cl2 ---> c + hcl 3 h…
balancing equations balancing equations reactants products this means that you have to have the same number of atoms on the left and right hand sides of the equation.…
balancing equations the abbreviated version what is a chemical equation? an equation is a short-hand way of writing a chemical reaction. reactants are on the left, products…
chemical reactionschemical equations their job: depict the kind of reactants and products and their relative amounts in a reaction. 4 al (s) + 3 o2 (g) ---> 2 al2o3 (s)
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chemical rnx (reaction) baking a cake or burning wood vs water to ice what is water to vapor (boiling water) this law states matter can neither be created or destroyed only…
powerpoint presentationchemical reactions / equations reactants products color change heat is absorbed (cooling) chemical reactions/equations reactants products substances
chemical equations balancing equations and applications objectives write and balance chemical equations perform calculations using moles and molar masses determine percent…