Gibbs Free Energy and Spontaneity






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Jared Smith 1E
Posts: 51
Joined: Fri Sep 29, 2017 7:04 am

Gibbs Free Energy and Spontaneity

Postby Jared Smith 1E » Sun Feb 11, 2018 10:44 pm

So I know that when delta G is negative, the forward reaction is spontaneous. Is it then correct to assume that whenever delta G is positive, the reverse reaction is spontaneous?
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Julia Ward 2C
Posts: 27
Joined: Wed Nov 16, 2016 3:03 am

Re: Gibbs Free Energy and Spontaneity

Postby Julia Ward 2C » Sun Feb 11, 2018 10:50 pm

Yes I believe so.
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Rishi Khettry 1L
Posts: 29
Joined: Fri Sep 29, 2017 7:05 am

Re: Gibbs Free Energy and Spontaneity

Postby Rishi Khettry 1L » Mon Feb 12, 2018 4:39 pm

Yes with a positive deltaG, the reaction is not spontaneous in the forward direction but will be spontaneous if reversed.
With a negative deltaG, the reaction IS spontaneous in the forward direction but not so if reversed.
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