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Maximum non - PV Work at Constant Temperature and Pressure and Reversi
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[QUOTE="Chestermiller, post: 6495720, member: 345636"] The case of the Galvanic cell is very similar to the case of isothermal gas expansion, although, at first glance, it doesn't look that way. In the case of the galvanic cell, you apply an external electrode potential to balance the potential of the cell. Then you allow the cell to do work very gradually by allowing one electron at a time to flow through the external circuit and drive whatever motor (or whatever) it drives. The reaction is always very nearly at equilibrium at the imposed potential, and reactants are being consumed as products are being allowed to form (but the concentrations of the reactants and product ions in the cells are very large, so they are not changing significantly) while a small amount of charge is flowing. In short, the work done is equal to the cell potential times the amount of charge that is allowed to flow. This can be evaluated per mole of charge. [/QUOTE]
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Maximum non - PV Work at Constant Temperature and Pressure and Reversi
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