vant hoff


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aaronharouni
Posts: 72
Joined: Fri Sep 28, 2018 12:15 am

vant hoff

Postby aaronharouni » Mon Feb 18, 2019 5:08 pm

Do we need a constant pressure or temperature to use the Vant Hoff equation?

AlyssaBei_1F
Posts: 99
Joined: Fri Sep 28, 2018 12:17 am

Re: vant hoff

Postby AlyssaBei_1F » Mon Feb 18, 2019 5:43 pm

You need a constant pressure. The Van't Hoff equation can be used to calculate K @ different temperature if delta H is known.

404975170
Posts: 68
Joined: Thu Jul 27, 2017 3:00 am

Re: vant hoff

Postby 404975170 » Mon Feb 18, 2019 6:56 pm

Gibbs free energy changes with the temperature and pressure of the thermodynamic system. So the point of the van 't Hoff equation is that it relates the change in Keq to the change in temperature, T, when you are given delta H at a constant temperature.


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