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Question:

The standard electrode potential (E°) for Daniel cell is +1.1 V. Calculate ΔG° for the reaction: Zn(s) + Cu²⁺(aq) → Zn²⁺(aq) + Cu(s) (1 F = 96500 C/mol)

Solution:

ΔG = -nFE = -2 × 96500 × 1.1 = -212300 J = -212.3 kJ