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What is the role of a catalyst in a chemical reaction? A increase the concentration of reactants B increase the rate of the reaction C increase the temperature of a reaction D increase the pressure applied
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What is the role of a catalyst in a chemical reaction?

A increase the concentration of reactants
B increase the rate of the reaction
C increase the temperature of a reaction
D increase the pressure applied to the reaction

User Christopher DuBois
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1 Answer

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A catalyst is a substance that increases the rate of a chemical reaction by lowering the activation energy without itself being consumed by the reaction.

User Mathias Asberg
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