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| When one element trades places with another element you have a .... |
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| single displacement reaction |
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| Single displacement reaction |
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| Mg + 2H2O --> Mg(OH)2 + H2 |
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| When 2 elements trade places in a reaction |
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| double displacement reaction |
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| When a complex molecule breaks down to make two or more simpler ones |
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| Pb(NO3)2 + 2KI -->PBI2 + 2KNO3 |
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| When two or more simple compounds combine to form a more complicated one |
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| The graph of an endothermic reaction |
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| would have more energy at the end than what it started with |
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| The graph of an exothermic reaction |
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| would have less energy at the end than when it started |
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speeds up a reaction
lowers the activation energy |
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| slows down the rate of a reaction |
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