Question

describe how does the enthalpy of reaction remain unchanged when a catalyst is used in a reaction​

Answer 1

Answer:

In a catalysed reaction, the energy states or enthalpies of the reactants as well a products remain unchanged. Therefore, ΔH(Hp-Hr) does not change in the reaction. The purpose of catalyst in a reaction is simply to lower the height of the energy barrier for the reaction and as a result. The reaction rate increases.

Explanation:

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Answer 2

Explanation:

catalyst just effect the rate of rxn but it does not effect the enthalpy of the rxn.