Van't Hoff equation

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

Van't Hoff equation

Postby Vanessa Reyes_1K » Sun Feb 24, 2019 10:20 am

In what cases are we supposed to use the Van't Hoff equation ever deltaG=deltaH - TdeltaS?

Michelle Nwufo 2G
Posts: 61
Joined: Fri May 18, 2018 3:00 am

Re: Van't Hoff equation

Postby Michelle Nwufo 2G » Sun Feb 24, 2019 10:26 am

I’m assuming it is when you want to find the change in gibb’s free energy, and you are given the change in enthalpy and change in entropy of the reaction. But I could be wrong.

caseygilles 1E
Posts: 73
Joined: Fri Sep 28, 2018 12:18 am

Re: Van't Hoff equation

Postby caseygilles 1E » Sun Feb 24, 2019 4:24 pm

We use the Van't hoff equation instead of deltaG=deltaH-TdeltaS when we are trying to relate the change in equilibrium constant, K, to the changing temperature of the chemical reaction and we are given the standard enthalpy change deltaH.

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