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and F the Faraday constant, 96,485 C/mol). For two water molecules electrolysed and hence two hydrogen molecules formed, n = 4, and

* ?G° = 474.48 kJ/2 mol(water) = 237.24 kJ/mol(water)
* ?S° = 163 J/K mol(water)
* ?H° = 571.66 kJ/2 mol(water) = 285.83 kJ/mol(water)
* ?H° = 141.86 kJ/g(H₂).

However, calculations regarding individual electrode equilibrium potentials requires corrections to account for the activity coefficients. In practice when

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