In many chemical processes, a substance is introduced to alter the reaction pathway or lower the activation energy, thereby enhancing the rate of conversion without being consumed in the overall reaction. Which statement accurately describes a catalyst?

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Chemistry · Chemical Kinetics

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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It alters the rate of a reaction without undergoing permanent chemical change

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Answer 1

It changes the equilibrium constant of a reaction

Answer 2

It increases the enthalpy change of a reaction

Answer 3

It alters the rate of a reaction without undergoing permanent chemical change

Answer 4

It is always consumed completely in the reaction

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