11.2: types of chemical reactions january 2015 objectives 2.1. describe the 5 general types of...
TRANSCRIPT
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11.2: T
YPES O
F CHEMIC
AL
REACTIONS
J AN
UA
RY
20
15
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OBJECTIVES
2.1. Describe the 5 general types of reactions
2.2 Predict the products of the five general types of reactions.
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KEY CONCEPT
There are 5 general types of reactions:1. Combination2. Decomposition3. Single Replacement4. Double Replacement5. Combustion
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COMBINATION REACTION
Definition: A chemical change in which two or more substances react to form a single new substance
Example:
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CHEMISTRY EXAMPLE
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GUIDED PRACTICE PROBLEM #7
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ON YOUR OWN #8
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DECOMPOSITION REACTION
Definition: A chemical change in which a single compound breaks down into two simpler compounds.
Example:
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CHEMISTRY EXAMPLE
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GUIDED PRACTICE PROBLEM #9
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ON YOUR OWN #10
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SINGLE-REPLACEMENT REACTION
Definition: A chemical change in which one element replaces a second element in a compound.
Example:
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CHEMISTRY EXAMPLE
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GUIDED PRACTICE PROBLEM #11 A
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GUIDED PRACTICE PROBLEM #11B
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ON YOUR OWN
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DOUBLE REPLACEMENT REACTIONS
Definition: A chemical change involving an exchange of positive ions between two compounds
Example:
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CHEMISTRY EXAMPLE
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GUIDED PRACTICE PROBLEM #13A
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GUIDED PRACTICE PROBLEM #13B
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ON YOUR OWN #14A & 14B
b. H2SO4 (aq) Al(OH)3
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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:
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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.