1.
For the reaction A(g)+B(g)C(g)+D(g)A(g) + B(g) \rightarrow C(g) + D(g), ΔH\Delta H^\circ and ΔS\Delta S^\circ are, respectively, 29.8-29.8 kJ mol1^{-1} and 0.100-0.100 kJ K1^{-1} mol1^{-1} at 298 K. The equilibrium constant for the reaction at 298 K is: