Standard entropy of X_2, Y_2 and X Y_3 are 60,40 and 50 {\JK}^{-1} {\mol}^{-1}, respectively. For the reaction, \;{1}/{2} X_2+\;{3}/{2} Y_2 → {\XY}_3, ∆ H=-30 {\kJ}, to be at equilibrium, the temperature will be

Test Index