[Answer] What overall effect does adding a catalyst have on a chemical reaction?

Answer: It lowers the activation energy that is needed.

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What overall effect does adding a catalyst have on a chemical reaction? What is the effect of a catalyst on the rate of a reaction ... Effect of catalysts - Changing rates - GCSE Chemistry ... What is the effect of a catalyst on the rate of a reaction ... Explanation: A catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process. Catalysts typically speed up a reaction by reducing the activation energy or changing the reaction mechanism. Enzymes are proteins that act as catalysts in biochemical reactions. The two main ways catalysts affect chemical reactions are by creating a way to lower activation energy or by changing how the reaction happens. They can lower the energy of the transition state so the overall activation energy needed for the reaction decreases or they can alter the mechanisms of a reaction and thus change the transition state. Tue Apr 01 2014 · C is the answer. Catalysts lower activation energy thereby helping the reaction to occur more easily. The catalyst itself does not lower the concentration of the reactants. This is due entirely to... Catalysts are compounds that accelerate the rate of a reaction. Catalysts accelerate reactions by reducing the energy of the rate-limiting transition...

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