14.9  [ENDORSED]


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Michael Lonsway 3O
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Joined: Wed Sep 21, 2016 2:57 pm

14.9

Postby Michael Lonsway 3O » Sat Feb 11, 2017 12:49 pm

Calculate the standard Gibbs free energy for the following cell reactions:
a) 2Ce+4 + 3I- ----> 2Ce+3 + I3-, Ecell=+1.08V

I know we used deltaG= -nFE but how do we find n? I thought we need to be given the number of electrons in the reaction.

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Re: 14.9  [ENDORSED]

Postby Chem_Mod » Sat Feb 11, 2017 12:52 pm

Write out the half-reactions of the given reaction - the n will correspond to the number of electrons being transferred in the balanced half-reactions.


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