## Distinguishing a Catalyst

Arrhenius Equation: $\ln k = - \frac{E_{a}}{RT} + \ln A$

Emily Warda 2L
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### Distinguishing a Catalyst

How do you distinguish a catalyst from a reactant? We spoke about how to distinguish a catalyst from an intermediate but how do we distinguish it from a reactant?

Tatiana Hage 2E
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### Re: Distinguishing a Catalyst

A reactant is consumed by the reaction, and a catalyst is not.

OliviaShearin2E
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### Re: Distinguishing a Catalyst

I believe the catalyst also does not appear in the overall reaction (though it may appear in the rate law).

Maeve Gallagher 1J
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### Re: Distinguishing a Catalyst

A catalyst is consumed at the beginning of the reaction mechanism, but then reappears as a product at a different step. Reactants are just consumed and never reappear, and intermediates are produced and then later consumed again.

JamesAntonios 1E
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### Re: Distinguishing a Catalyst

A reactant does not show up on the product sides. It is consumed in the reaction. A catalyst, on the other hand, will show up on both sides.