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14 Cards in this Set
- Front
- Back
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What is a chemical Reaction? |
It is a chemical Change |
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5 proofs of chemical change |
1. emission of light 2. emission of heat 3. color change 4. liberation of gas 5. formation of a new substance (precipitate) |
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when two or more substances combine to forma more complex molecule |
Combination Reaction (synthesis reaction) |
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a non-metal and a metal combined yields a ... |
salt |
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Pattern of oxyacid |
H + nonmetal +oxygen |
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It is when one substance, usually a compound, breaksdown to form two or more substances which may be elementsor compounds. |
Decomposition Reaction |
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a substance that changes the speed of reactionwithout itself undergoing any permanent chemical change andcan be removed from the reaction mixture |
catalyst |
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Decomposition patterns |
Carbonates Bicarbonates Chorates Hydrates Metal Oxides |
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It is when one element reacts by replacing another element in a compound. |
Single-replacement reaction |
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Another term for single-replacement reaction |
substitution |
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single-replacement reaction makes use of of the _________________ or__________________. |
electromotive activity series |
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Activity series |
Symbol F2 Cl2 Br2 I2 |
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Two compunds are involved • The positive ion of one compound exchanges with the positivecation of another compound |
Double-displacement reaction |
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Other terms for double displacement reaction |
-metathesis -ionic reaction |
