Across
- 3. the simplest form of the formula
- 4. What type of reaction? O + H -> H O
- 6. the mass of an atom
- 8. these problems tell you how much of any given product you get by reacting any given amount of reactants
- 9. the true formula
- 10. the mass of one mole of the substance
- 12. What type of reaction? 2HgO -> 2Hg + O
- 14. representation of a chemical reaction using symbols, numbers, etc.
- 16. In a chemical equation, these substances are right of the arrow
- 19. 6.02 x 10
- 21. What type of reaction? FeS + 2HBr -> 1FeBr + H S
- 22. using a balanced chemical equation to calculate the amount of reactants and products is called
- 23. a type of reaction where bonds between atoms are formed or broken
Down
- 1. What type of reaction? C H O + 4O -> 3CO + 3H O
- 2. Is the following chemical equation balanced or unbalanced? 4Al + 3O -> 2Al O
- 5. the total mass of the empirical formula
- 7. 6.02 x 10
- 11. percentage of each element in a compound
- 13. What type of reaction? 2Al + 6HCl -> 2AlCl + 3H
- 15. the amount of a substance actually produced at the end of a chemical reaction
- 17. the number preceding the substances in a chemical equation
- 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
- 20. In a chemical equation, these substances are left of the arrow
