reaction orders


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Vanessa Reyes_1K
Posts: 60
Joined: Fri Sep 28, 2018 12:28 am

reaction orders

Postby Vanessa Reyes_1K » Sun Mar 10, 2019 10:58 pm

Does the order of a reactant have to always be a positive, whole number?

Kyle Golden Dis 2G
Posts: 67
Joined: Fri Sep 28, 2018 12:17 am

Re: reaction orders

Postby Kyle Golden Dis 2G » Sun Mar 10, 2019 11:00 pm

Yes. There is a possibility in which the order can be any sign and any fraction.

Nathan Tran 4K
Posts: 92
Joined: Fri Sep 28, 2018 12:16 am

Re: reaction orders

Postby Nathan Tran 4K » Sun Mar 10, 2019 11:17 pm

If for example, a reaction is forming something, the reactant would have to be a negative reaction order. We can also see this as the reverse reaction of something that is decomposing--this is why the equilibrium constant has concentration of products in the denominator.

Hedi Zappacosta 1E
Posts: 66
Joined: Fri Sep 28, 2018 12:27 am

Re: reaction orders

Postby Hedi Zappacosta 1E » Tue Mar 12, 2019 11:44 am

The order of a reaction is determined by adding up all the exponents in the rate law.


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