A catalyst increases the rate of a chemical reaction by

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providing an alternative reaction pathway with lower activation energy. A catalyst works by providing an alternative reaction pathway that has a lower activation energy, allowing more reactant molecules to have sufficient energy to react. A catalyst is not consumed in the reaction and does not change temperature or concentration of reactants.

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A) increasing the temperature of the reaction mixture

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B) providing an alternative reaction pathway with lower activation energy

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C) increasing the concentration of the reactants

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D) permanently combining with the reactants to form products faster

A catalyst increases the rate of a chemical reaction by

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