Eo and DGo (2)

• For a reactant-favored reaction

- electrolysis cell: Electric current ? chemistry

Reactants ? Products

DGo > 0 and so Eo < 0 (Eo is negative)

• For a product-favored reaction

  • battery or voltaic cell: Chemistry ? electric current

Reactants ? Products

DGo < 0 and so Eo > 0 (Eo is positive)

DGo = - n F Eo

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