What Is the Standard Free-Energy Change for the Following Reaction

question 62

Multiple Choice

What is the standard free-energy change for the following reaction at 25°C? (F = 96,500 C • mol^-1) 2Al(s) + 3Sn⁴⁺(aq,1 M) → 2Al³⁺(aq,1 M) + 3Sn²⁺(aq,1 M)
Half-Reaction Eo (V)
Al³⁺(aq) + 3e^- → Al(s) -1.66
Sn⁴⁺(aq) + 2e^- →Sn²⁺(aq) +0.13

• A)-1.79 kJ/mol
• B)1.79 kJ/mol
• C)-1.04 × 10³ kJ/mol
• D)-3.45 × 10² kJ/mol
• E)5.18 × 10² kJ/mol

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