Define:
1. chemical reaction                        13. reversible reaction
2. precipitate                                  14. exothermic
3. energy                                        15. endothermic
4. kinetic energy                             16. law of conservation of mass
5. potential energy                          17. coefficient
6. law of conservation of energy     18. combustion
7. joule                                          19. synthesis
8. hydrocarbon                              20. decomposition reaction
9. reactants                                    21. dissociation
10. products                                  22. single replacement reaction
11. chemical reaction                     23. activity series
12. aqueous

Questions:
1. List some examples of evidence that a chemical reaction has occured.
2. What type of reaction requires energy?  What type releases energy?
3. Write the equation for kinetic energy.
4. Summarize the symbols listed on p.86.
5. What did Lavoisier do special to prove the law of conservation of mass?
6. Why must equations be balanced?
7. Outline the steps involved in balancing equations. (Table 3-2 p. 93)
8. Compare the four different types of reactions.
9. What is the activity series rule with the halogens?
10. How can it be determines if a double replacement reaction will occur?

Problems:
p. 96 # 4,5,6,7,8,9,10            p. 107 # 11,12
p. 111  # 13,15,16,17,18       p. 115-119  # 14,16(a), 17(a,c),                                               18,19,22,23,25,26,28,29,30,31,32,33,34,35,36,37