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Cell Potential

Posted: Tue Feb 20, 2018 4:51 pm
by Lauryn Jordan 1F
when do you use each of the equations and what is the difference?
E = E° -RT/nF * ln Q
E = E° -0.05916 V / n * log Q

Re: Cell Potential

Posted: Tue Feb 20, 2018 5:49 pm
by Riya Pathare 2E
You can use either of the equations cause they are the same. The second equation essentially combines the R, T, and F to get 0.05916 and then takes into account the change from ln to log. Generally log is more efficient to use for biochemistry purposes rather than ln but both are valid.

Re: Cell Potential

Posted: Wed Feb 21, 2018 6:52 pm
by nathansalce 3e
since R T and F are all constants in standard conditions, these three constants can be multiplied and calculated to be 0.05916, just to simplify the process of calculations.

Re: Cell Potential

Posted: Thu Feb 22, 2018 2:39 am
by aaron tang 2K
Both of these equations are the same. constants R, T, F = to .05916

Re: Cell Potential

Posted: Mon Feb 26, 2018 9:25 pm
by Abby Ellstrom 1I
These equations are essentially the same so you can use them interchangeably depending on which information you have.

Re: Cell Potential

Posted: Mon Feb 26, 2018 9:31 pm
by andrewr2H
These equations are equivalent to each other, it is just that one is simplified.

Re: Cell Potential

Posted: Mon Feb 26, 2018 10:47 pm
by Sophia Bozone 2G
These equations can be used in the same situation, however the one with a number already in it has been simplified with the entry of variables already.

Re: Cell Potential

Posted: Tue Feb 27, 2018 9:05 pm
by Ashley Macabasco 2K
Because R, T and F are constants at standard conditions, the second equation is the same as the first equation with the constants computed into a single constant.

Re: Cell Potential

Posted: Thu Mar 15, 2018 7:52 pm
by Warda Sahib 2J
They're the same, you can use either

Re: Cell Potential

Posted: Sun Mar 18, 2018 8:26 pm
by DamianW
when you do you switch the signs of given cell potentials?