Thermodynamics

Standard entropy of X₂, Y₂ and XY₃ are 60, 40 and 50 JK^\(-\)1mol^\(-\)1, respectively. For the reaction, \(\frac{1}{2}\)X₂ + \(\frac{3}{2}\)Y₂ \(\to\) XY₃, \(\Delta\)H = \(-\)30 kJ, to be at equilibrium, the temperature will be