Nernst equation

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In electrochemistry, the Nernst equation is an equation that can be used (in conjunction with other information) to determine the equilibrium reduction potential of a half-cell in an electrochemical cell. It can also be used to determine the total voltage (electromotive force) for a full electrochemical cell. It is named after the German physical chemist who first formulated it, Walther Nernst.[1][2]

Contents

Expression

The two (ultimately equivalent) equations for these two cases (half-cell, full cell) are as follows:

where

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