Estimate Δ_rG° for the Following Reaction at 387 K

question 131

Multiple Choice

Estimate Δ_rG° for the following reaction at 387 K. HCN(g) + 2H₂(g) → CH₃NH₂(g) Δ_rH°= -158.0 kJ mol^-1; Δ_rS°= -219.9 J K^-1 mol^-1

• A) +243 kJ mol^-1
• B) -72.9 kJ mol^-1
• C) +84.9 kJ mol^-1
• D) -92.5 kJ mol^-1
• E) -188 kJ mol^-1

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