How is delta G affected by an increase in temperature?

1 Answer
Dave
Apr 26, 2015

Changes in temperature affect equlibrium constants, so delta G can be affected in a couple of ways.
G=-rTlnKeq - so as the temperature increases, the delta G usually gets more (-), or spontaneous.

Also, G=H-TS
Changes in temperature can make G more negative and the reaction more spontantous. If in the above equaiton S is (-), then increasing temperature won't make it more spontaneous (because -TS) term becomes more positive.

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