Page 1 of 1

Van’t Hoff Equation

Posted: Sun Feb 23, 2020 11:24 pm
by 805383532
What does the equation measure? How does it relate to gibbs free energy?

Re: Van’t Hoff Equation

Posted: Sun Feb 23, 2020 11:29 pm
by Aliya Jain 2B
The Van't Hoff Equation can be used to calculate the k at a different temperature if change in enthalpy is known and is constant.

Re: Van’t Hoff Equation

Posted: Sun Feb 23, 2020 11:40 pm
by kristi le 2F
The vant hoff equation can be used to calculate K at different temperatures if stand enthalpy of real lion is known.

Re: Van’t Hoff Equation

Posted: Tue Feb 25, 2020 5:40 pm
by 805097738
kristi le 2F wrote:The vant hoff equation can be used to calculate K at different temperatures if stand enthalpy of real lion is known.


what is real lion

Re: Van’t Hoff Equation

Posted: Wed Feb 26, 2020 3:05 pm
by Maya Pakulski 1D
805097738 wrote:
kristi le 2F wrote:The vant hoff equation can be used to calculate K at different temperatures if stand enthalpy of real lion is known.


what is real lion


probably "real ion" if I had to guess

Re: Van’t Hoff Equation

Posted: Wed Feb 26, 2020 3:44 pm
by Veronica_Lubera_2A
Van't Hoff's equation is:

ln(K2/K1)= (-DeltaH/R)(1/T2 - 1/T1)

So the equation relates enthalpy too but this value should be given in the problem.

Re: Van’t Hoff Equation

Posted: Mon Mar 09, 2020 3:41 pm
by Mai V 4L
Will this be on the final exam formula sheet?

Re: Van’t Hoff Equation

Posted: Mon Mar 09, 2020 3:49 pm
by AKatukota
Should we also know to derive it?

Re: Van’t Hoff Equation

Posted: Mon Mar 09, 2020 8:30 pm
by JohannaPerezH2F
it is used to calculate k at different temperatures

Re: Van’t Hoff Equation

Posted: Tue Mar 10, 2020 6:01 pm
by Julia Holsinger_1A
How do you know to use Van't Hoff Equation? Are there certain questions in problems that signal to use it?

Re: Van’t Hoff Equation

Posted: Tue Mar 10, 2020 6:10 pm
by Callum Guo 1H
ln(K2/K1)= (-DeltaH/R)(1/T2 - 1/T1)


you can use it to calculate K value at a temperature given the K value at another temperature

Re: Van’t Hoff Equation

Posted: Tue Mar 10, 2020 6:34 pm
by Jacob Motawakel
You can calculate K at different temperatures with the Van't Hoff equation. I don't see how it relates to DeltaG though because the only relation between DeltaG and K is with standard DeltaG, and since Van't Hoff equation doesn't calculate K at standard conditions, you can't use that K in the equation: standard DeltaG = -RTlnK