Chemical Reactions
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Last updated 7:44 PM on 10/30/25
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8 Terms
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Rate of reaction
How fast a reaction occurs.
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Catalyst
substance that speeds up the rate of a chemical reaction
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Exothermic reaction
Reactants have more energy than products. Heat is released=increase in temperature
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Endothermic reaction
Reactants have less energy than products. Heat absorbed=temperature reduced
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Activation energy (AE)
The minimum amount of energy needed to start a reaction.
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Reactants
The substances that react
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Product
The new substance produced
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Rate
How quickly the reaction happens, measured in seconds (s)
Note 
Flashcards (150)