E knot +/- sign  [ENDORSED]

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KimberlySalinas_2A
Posts: 20
Joined: Wed Sep 21, 2016 2:57 pm

E knot +/- sign

Postby KimberlySalinas_2A » Sat Feb 11, 2017 12:29 pm

In what cases is the sign of E knot changed or not changed when reversing a reaction ?

Edward_Lee_3C
Posts: 36
Joined: Wed Sep 21, 2016 2:58 pm

Re: E knot +/- sign  [ENDORSED]

Postby Edward_Lee_3C » Sat Feb 11, 2017 12:55 pm

If you plan on calculating the E value by approaching it like a Hess' Law you would change the sign when reversing the equation. If you're using the other way to calculate the Ecell value then you wouldn't change the sign.


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