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:

CHEMISTRY 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:

CHEMISTRY 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:

CHEMISTRY 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:

CHEMISTRY 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.