19. Chemical Thermodynamics
Entropy Calculations
58PRACTICE PROBLEM
If the ΔH° and ΔS° of the reaction below at 298 K are –900.0 kJ and –151.5 J/K, respectively, what is the ΔG° of the reaction? If the reaction is nonspontaneous, identify the temperature (if any) at which the reaction is spontaneous.
2 CaS(s) + 3 O2(g) → 2 CaO(s) + 2 SO2(g)
If the ΔH° and ΔS° of the reaction below at 298 K are –900.0 kJ and –151.5 J/K, respectively, what is the ΔG° of the reaction? If the reaction is nonspontaneous, identify the temperature (if any) at which the reaction is spontaneous.
2 CaS(s) + 3 O2(g) → 2 CaO(s) + 2 SO2(g)