The temperature derivative of electrochemical potential E at constant pressure, $\left(\frac{\partial \mathrm{E}}{\partial \mathrm{T}}\right)_{\mathrm{P}}$ is given by
(a)$-\frac{\Delta \mathrm{S}}{\mathrm{nF}}$
(b)$\frac{\Delta \mathrm{S}}{\mathrm{nF}}$
(c)$\frac{\Delta \mathrm{S}}{\mathrm{nFT}}$
(d)$-\frac{\Delta \mathrm{S}}{\mathrm{nFT}}$
Answer
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