Starting from the appropriate free energies of formation (provided below) calculate the values of ∆G° (in...

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Starting from the appropriate free energies of formation (provided below) calculate the values of ∆G° (in...

Starting from the appropriate free energies of formation (provided below) calculate the values of ∆G° (in kJ) and E°_cell (in V) at 298 K for the following reaction,

2 Cu⁺(aq) -----> Cu²⁺(aq) + Cu(s)

DG_f°(Cu⁺(aq)) = 49.98 kJ mol^-1
D_fG°(Cu²⁺(aq)) = 65.49 kJ mol^-1
D_fG°(Cu(s)) = 0.00 kJ mol^-1

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Answer 1

Answer #1

∆G° = 65.49-(2×49.98)

= -34.47 kJ

∆G° =- nFE°

E° = -34.47×1000/(-1×96500)

= 0.357 V

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Answer 2

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