Estimate Δ_rG° for the Following Reaction at 387 K

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