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Calculate ∆rG° for reactionMg + cu² ==> Mg² + cuE°cell = 2.71v , 1F = 96500​

Answer»

✩ Correct Question :

  • calculate ∆rG° for reaction

  • Mg + cu² ==> Mg² + cu

  • E°cell = 2.71v , 1F = 96500

✩ Required Solution :

  • Using formula ∆g = -NFE°cell

✩ value GIVEN to US :-

  • N = -2

  • F = 96500

  • E ° cell = 2.71 v

✩ PUTTING value in formula :-

  • ∆g = -2 × 96500 × 2.71

  • ∆g = -193000 × 2.71

• ∆g = 523.03 kgmol-1

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