2. 11.2: TYPES OF CHEMICAL REACTIONS JANUARY 2015

3. OBJECTIVES 2.1. Describe the 5 general types of reactions 2.2 Predict the products of the five general types of reactions.

4. KEY CONCEPT There are 5 general types of reactions: 1.Combination 2.Decomposition 3.Single Replacement 4.Double Replacement 5.Combustion

5. COMBINATION REACTION Definition: A chemical change in which two or more substances react to form a single new substance Example:

6. CHEMISTRY EXAMPLE

7. GUIDED PRACTICE PROBLEM #7

8. ON YOUR OWN #8

9. DECOMPOSITION REACTION Definition: A chemical change in which a single compound breaks down into two simpler compounds. Example:

10. CHEMISTRY EXAMPLE

11. GUIDED PRACTICE PROBLEM #9

12. ON YOUR OWN #10

13. SINGLE-REPLACEMENT REACTION Definition: A chemical change in which one element replaces a second element in a compound. Example:

14. CHEMISTRY EXAMPLE

15. GUIDED PRACTICE PROBLEM #11 A

16. GUIDED PRACTICE PROBLEM #11B

17. ON YOUR OWN

18. DOUBLE REPLACEMENT REACTIONS Definition: A chemical change involving an exchange of positive ions between two compounds Example:

19. CHEMISTRY EXAMPLE

20. GUIDED PRACTICE PROBLEM #13A

21. GUIDED PRACTICE PROBLEM #13B

22. ON YOUR OWN #14A & 14B b. H 2 SO 4 (aq) Al(OH) 3 

23. COMBUSTION REACTION Definition: A chemical change in which an element or a compound reacts with oxygen, producing energy in the form of heat and light. Basically, a reaction involving fire! Chemistry Example:

24. ON YOUR OWN Do #15 & 16 #17 is a challenge  Do for extra practice Do #18 When you finish, you will be given the coloring & classifying worksheet.