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A.salman6983
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Does a catalyst decrease the activation energy?
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Treblebee
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No, but it gives (note the keywords) an alternative route with a lower activation energy. So basically, those lucky particles which have the energy required to participate in a reaction under normal circumstances, will take their same route, and not use the catalyst. But for the poor particles with a bit less than the benchmark, the catalyst will let them get in and react .... as a bit of an analogy The catalyst either provides an extra step (i.e. an in-between reaction which totals to less energy) or a base for the reactants to react on, using less energy (as in enzymes). Hope that answers your question!
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