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11.2: TYPES OF CHEMICAL REACTIONS JANUARY 2015
OBJECTIVES 2.1. Describe the 5 general types of reactions 2.2 Predict the products of the five general types of reactions.
KEY CONCEPT There are 5 general types of reactions: 1.Combination 2.Decomposition 3.Single Replacement 4.Double Replacement 5.Combustion
COMBINATION REACTION Definition: A chemical change in which two or more substances react to form a single new substance Example:
GUIDED PRACTICE PROBLEM #7
ON YOUR OWN #8
DECOMPOSITION REACTION Definition: A chemical change in which a single compound breaks down into two simpler compounds. Example:
GUIDED PRACTICE PROBLEM #9
ON YOUR OWN #10
SINGLE-REPLACEMENT REACTION Definition: A chemical change in which one element replaces a second element in a compound. Example:
GUIDED PRACTICE PROBLEM #11 A
GUIDED PRACTICE PROBLEM #11B
ON YOUR OWN
DOUBLE REPLACEMENT REACTIONS Definition: A chemical change involving an exchange of positive ions between two compounds Example:
GUIDED PRACTICE PROBLEM #13A
GUIDED PRACTICE PROBLEM #13B
ON YOUR OWN #14A & 14B b. H 2 SO 4 (aq) Al(OH) 3
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:
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.
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