Grace010 Grace010

10-05-2015
Chemistry

Answered

why does a catalyst not need to be replaced for a long time?

Verified Answer :

lulu1991 lulu1991

10-05-2015

Because of the characteristic of catalyst. The catalyst is used to accelerate the reaction rate and will not participate the reaction itself. The catalyst can not be changed or consumed during the reaction. So it does not need to be replaced.

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