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5 terms

6.3 Controlling Chemical Reactions

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Activation energy:
the minimum amount of energy needed to get a chemical reaction started.
Concentration:
the amount of one material in a certain volume of another material.
Catalyst:
a material that increases the rate of a reaction by lowering the activation energy.
Enzyme:
a biological catalyst that lowers the activation energy of reaction in cells.
Inhibitor:
a material that decrease the rate of reaction.