Differential rate law

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Megan Purl 1E
Posts: 49
Joined: Fri Sep 29, 2017 7:07 am

Differential rate law

Postby Megan Purl 1E » Sun Feb 25, 2018 11:36 pm

What is the differential rate law and when will it be used?

Joanne Guan 1B
Posts: 30
Joined: Sat Jul 22, 2017 3:01 am

Re: Differential rate law

Postby Joanne Guan 1B » Sun Feb 25, 2018 11:40 pm

For a reaction aR --> bP, the initial reaction rate is k[R]n. I believe in class we used this to compare two or more initial rates, but there could be more uses discovered later on in lecture.

Ramya Lakkaraju 1B
Posts: 67
Joined: Fri Sep 29, 2017 7:03 am

Re: Differential rate law

Postby Ramya Lakkaraju 1B » Mon Feb 26, 2018 3:33 pm

I think its main use is to integrate this and use it as the integrated rate law.

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Re: Differential rate law

Postby aTirumalai-1I » Mon Feb 26, 2018 3:42 pm

Deriving the integrated rate law from the differential rate law is more useful to us because we can plot ln[A] (and the natural logs of any other reactants present) against time and figure out the overall order of a reaction. As we discussed today, if the graph is linear, you know you are dealing with a first-order reaction.

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