If the standard electrode potential for a cell is 2 V at 300 K, the equilibrium constant (K) for the reaction 

$Zn\left(s\right)+c{u}^{2+}\left(aq\right)\rightleftharpoons Z{n}^{2+}\left(aq\right)+Cu\left(s\right)$

at 300 K is approximately (R = 8 JK^–1mol^–1, F = 96000 Cmol^–1)