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If the equilibrium constant of a reactio...

If the equilibrium constant of a reaction is 2×10^3 at 25°C then the standard Gibbs free energy change for the reaction will be

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Cell reaction in daniell cell is `Zn + Cu^(2+) (aq) to Zn^(2+) (aq) + Cu`
The standard electrode potential , `E_("cell")^(@)` is 1.1 V.
The standard free energy change, `Delta G^(@) = -nFE_("cell")^(@) = -2 xx 1.1 xx 96500 = -21.3 kJ mol^(-1)`
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