## Catalysts

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

Peter Nguyen 2I
Posts: 61
Joined: Fri Sep 28, 2018 12:29 am

### Catalysts

Are there any common catalysts we should know?

Maayan Epstein 14B
Posts: 39
Joined: Fri Sep 28, 2018 12:20 am

### Re: Catalysts

I think that it is better to just know the rule that a catalyst is something that appears in the beginning and end of the reaction (is not consumed, and is not an intermediate).

eden tefera 2B
Posts: 39
Joined: Fri Sep 28, 2018 12:21 am

### Re: Catalysts

You should also know that a catalyst doesn't appear in the overall reaction.

Posts: 47
Joined: Fri Sep 28, 2018 12:15 am

### Re: Catalysts

Catalysts are at the beginning and end of a reaction, and are not shown in the overall reaction, but can they be in the overall rate law?

katie_sutton1B
Posts: 61
Joined: Fri Sep 28, 2018 12:17 am

### Re: Catalysts

Catalysts are not used up in the reaction. Rather, they just lower the activation energy of the reaction.

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