Nernst Equation - Relation To Equilibrium

Relation To Equilibrium

At equilibrium, E = 0 and Q = K. Therefore

\begin{align} 0 &= E^o - \frac{RT}{nF} \ln K\\ \ln K &= \frac{nFE^o}{RT} \end{align}

Or at standard temperature,

We have thus related the standard electrode potential and the equilibrium constant of a redox reaction.

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