Temperature and Pressure (SATP where T = 25°C and atm) and label them as spontaneous or nonspontaneous:
(a) 2 SO2(g) + O2(g) → 2 SO3(g); Î"H = -197.8 kJ, Î"S = 188.0 J/K
Î"G =______ ?
(b) CsHe(g) + O2(g) → 12 CO2(g) + H2O(g); Î"H = -6535.0 kJ, Î"S = 439.2 J/K
Î"G =______ ?
(c) C(diamond) → C(graphite); Î"H = -1.9 kJ, Î"S = +3.3 J/K
Î"G =_______ ?
(d) SiO2(s) → Si(s) + O2(g); Î"H = +910.7 kJ, Î"S = +182.5 J/K
Î"G =_______ ?