Answer:
If concentration of all reacting species
is unity, then and
Where, is
standard Gibbs energy of the reaction
= emf of the ce11
nF =
charge passed
If we want to obtain maximum
work from a galvanic cell then charge has to be passed reversibly.
The reversibly work done by a
galvanic cell is equal to decrease in its Gibbs energy.
As is
an intensive parameter but A,. G is an extensive thermodynamic property and the
value depends on n.
For reaction,
in a galvanic cell.
[Here, n = 2]
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