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Question: How does a catalyst increase the rate of a chemical reaction? How does a catalyst increase the rate of a chemical reaction? A. A catalyst increases the average kinetic energy of the products of the reaction. B. A catalyst increases the rate of collisions between reactant particles. C. A catalyst decreases the threshold energy value with which two particles must collide in order to react. D. A catalyst increases the activation energy of a chemical reaction. E. A catalyst increases the average kinetic energy of the reactants of the reaction.

Answer: C. it decreases the threshold energy. What actually happens is that it forms an intermediate compound that is of lower theshold energy and then that compound is cosumed to form the final compound.


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