Stoichiometry

3. What type of reaction? O + H -> H O
5. the mass of one mole of the substance
9. Is the following chemical equation balanced or unbalanced? 4Al + 3O -> 2Al O
10. using a balanced chemical equation to calculate the amount of reactants and products is called
11. the simplest form of the formula
13. In a chemical equation, these substances are right of the arrow
15. What type of reaction? C H O + 4O -> 3CO + 3H O
17. the number preceding the substances in a chemical equation
21. percentage of each element in a compound
22. What type of reaction? FeS + 2HBr -> 1FeBr + H S
23. a type of reaction where bonds between atoms are formed or broken

1. 6.02 x 10
2. In a chemical equation, these substances are left of the arrow
4. the mass of an atom
6. the true formula
7. What type of reaction? 2Al + 6HCl -> 2AlCl + 3H
8. What type of reaction? 2HgO -> 2Hg + O
12. 6.02 x 10
14. representation of a chemical reaction using symbols, numbers, etc.
16. the amount of a substance actually produced at the end of a chemical reaction
18. the measure of the efficiency of a chemical reaction calculated by dividing the theoretical yield by the actual yield and multiplied by a 100
19. these problems tell you how much of any given product you get by reacting any given amount of reactants
20. the total mass of the empirical formula