2.1 - Reactivity

Question 1

What is reactivity?

Answer 1

the amount of chemical change

Question 2

what is stoichiometry?

Answer 2

the study of relative amounts of substances involved in a chemical reaction

Question 3

what does stoichiometry determine?

Answer 3

the amounts of products and reactants in a reaction

Question 4

what is necessary in every reaction equation?

Answer 4

reactants - products, state symbols, balanced

Question 5

in a balanced chemical equation, what do the coefficients represent?

Answer 5

the mole ratio of the elements/particles/ compounds

Question 6

What is the mole ratio used to predict?

Answer 6

the amount of products produced or the amount of reactants required

Question 7

how is percent yield determined?

Answer 7

experimental result/theoretical result x100%

Question 8

How will formulas used differ when doing stoichiometry?

Answer 8

solids use formula involving mass and molar mass, liquids use formula involving concentration and volume, and gas uses idea gas law