For the reaction at

CHEMISTRY · Subjective · A Level · Chemistry · Thermodynamics · Thermodynamics

Problem

For the reaction X(g)→Y(g)X(g) \rightarrow Y(g) at 1 bar1\,\text{bar}, the standard enthalpy change is ΔH∘=−40.0 kJ mol−1\Delta H^\circ = -40.0\,\text{kJ}\,\text{mol}^{-1} and the standard entropy change is ΔS∘=−120 J mol−1 K−1\Delta S^\circ = -120\,\text{J}\,\text{mol}^{-1}\,\text{K}^{-1}. Calculate the temperature (in K\text{K}) at which the reaction is at equilibrium.

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