Thermodynamics : Heats of Formation
For the reaction CH4 (g) + N2 (g) + 164 kJ 6 HCN(g) + NH3 (g) at 25degrees C and 1 atm of pressure ÄGo = 159 kJ. Calculate ÄSo at 25degrees C. ÄHfo for CH4 (g) = -74.77 kJ/mol and ÄHfo for NH3 (g) = -46.09 kJ/mol. What is ÄHfo for HCN(g) ?