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The temperature reaction changes from spontaneous to nonspontaneous?

Posted: Sun Mar 10, 2019 4:19 pm
by Kassidy Tran 1E
How do you calculate the temperature a reaction changes from non-spontaneous to spontaneous? Is it at the point where the reaction reaches equilibrium?

Re: The temperature reaction changes from spontaneous to nonspontaneous?

Posted: Sun Mar 10, 2019 4:23 pm
by 904936893
You use the equation delta G = delta H - Tdelta S, and by plugging in your known values of delta H and S, you make G equal to zero and solve for T. That temperature, T (when G = 0) is when the reaction changes from nonspontaneous to spontaneous and vice versa.