Consider the reaction:
N2(g) + 3 X2(g) → 2 NX3(g)
ΔfH° 0.0 0.0 -43 kJ/mol
S° 192 210 172 J/mol K
What is ΔrG° for this reaction at 591 K? Is the reaction spontaneous at 591 K?
◦ -196 kJ/mol, no
◦ 196 kJ/mol, yes
◦ 196 kJ/mol, no
◦ 239 kJ/mol, yes
◦ -239 kJ/mol, no