9) Determine the value of AG° at 25 °C for Fe Fe2 Cd2|Cd

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science chemistry

Answer 1

Answer #1

9)

Fe ----> Fe2+ + 2e- E0 = + 0.44 V

Cd2+ + 2e- ------> Cd E0 = - 0.4 V

so the total cell potential is , E0 = 0.44 - 0.4 = + 0.04 V

ΔG0 = - nFE0

here, n = 2 since the number of electrons transfer are two

ΔG0 = - 2 * 96485 * 0.04

= - 7718.8 J

ΔG0 = - 7.72 kJ

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Answer 2

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