Topic: IF S (entropy) is positive, then is the G usually negative orusually positive et (Read 3102 times)

petstar21 · « **on:** April 06, 2008, 08:54:01 PM »

help me

boostar · « **Reply #1 on:** April 07, 2008, 05:35:03 AM »

Do things in nature prefer to be at equilibrium? And if something isn't in equilibrium, what happens (hint: consider energy change and how this will affect the value of G)?

Yggdrasil · « **Reply #2 on:** April 07, 2008, 10:11:14 PM »

ΔG = ΔH -TΔS

It all depends on the temperature and how big ΔH is relative to ΔS. In general, a more positive ΔS will make your ΔG tend toward negative, but it does not guarantee that ΔG will be negative, especially at low temperatures or if ΔH is large and positive. At high enough temperatures, however, reactions with positive ΔS should have a negative ΔG.

Topic: IF S (entropy) is positive, then is the G usually negative orusually positive et (Read 3102 times)

petstar21

IF S (entropy) is positive, then is the G usually negative orusually positive et

boostar

Re: IF S (entropy) is positive, then is the G usually negative orusually positiv

Yggdrasil

Re: IF S (entropy) is positive, then is the G usually negative orusually positive et

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