Calculate ?G° for the Disproportionation Reaction of Cu⁺ at 25°C

question 1

Multiple Choice

Calculate ?G° for the disproportionation reaction of Cu⁺ at 25°C, 2Cu⁺(aq) ? Cu²⁺(aq) + Cu(s) Given the following thermodynamic information.(R = 8.31 J/K?mol,F = 96480 C/mol e?)
$\begin{array}{lccc} \mathrm{Cu}^{+}(a q) +e^{-} \rightarrow \mathrm{Cu}(s) & E^{\circ}=+0.518 \mathrm{~V} \\ \mathrm{Cu}^{2+}(a q) +2 e^{-} \rightarrow \mathrm{Cu}(s) &E^{\circ}=+0.337 \mathrm{~V} \\\end{array}$

• A) -165 kJ
• B) -135 kJ
• C) -34.9 kJ
• D) +17.5 kJ
• E) +135 kJ

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