Chemical Reactions

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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=decrease 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)