Speed of a reaction

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Niharika 1H
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Speed of a reaction

Postby Niharika 1H » Sun Mar 08, 2020 10:28 pm

How do we determine of a certain reaction is slow or fast in 7C?

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Re: Speed of a reaction

Postby peteryim » Sun Mar 08, 2020 10:40 pm

Is there a specific problem you are asking about?

The size of the rate law will generally tell you how fast the rate is relative to other rates.

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Re: Speed of a reaction

Postby sbeall_1C » Sun Mar 08, 2020 10:55 pm

Generally, if a reaction occurs in multiple steps, the slow reaction is the rate-determining step. So, if the rate law is given, look at the multistep reaction and find which reaction corresponds to the rate law, and this will be the slow reaction and the remaining reactions fast. I also think that no intermediates can be in the rate law, so if a reaction is said to be slow but it contains intermediates, you have to substitute in the reactants that formed the intermediate and rework the constants of equilibrium!

Hope this helps!

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