For the reaction: Mg(s) + AgNO₃(aq) → Ag(s) + Mg(NO₃) ₂(aq) Ag⁺(aq) + e- → Ag(s) E° = 0.800 V
Mg²⁺(aq) + 2 e- → Mg(s) E° = -2.356 V
Determine ΔG°.

Question

For the reaction: Mg(s) + AgNO₃(aq) → Ag(s) + Mg(NO₃)₂(aq) Ag⁺(aq) + e- → Ag(s) E° = 0.800 V Mg²⁺(aq) + 2 e- → Mg(s) E° = -2.356 V Determine ΔG°.

Quizplus · Accepted Answer

The standard cell potential (E°cell) is calculated as E°cell = E°cathode - E°anode = 0.800 V - (-2.356 V) = 3.156 V. ΔG° is calculated using ΔG° = -nFE°cell, where n = 2 moles of electrons, F = 96485 C/mol. ΔG° = -2 * 96485 * 3.156 = -609.0 kJ/mol.

For the Reaction: Mg(s) + AgNO3(aq) → Ag(s) + Mg(NO3)2(aq)

For the Reaction: Mg(s) + AgNO₃(aq) → Ag(s) + Mg(NO₃)₂(aq)