At 1 bar, the temperature dependence of the standard entropy change for a reaction is…

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

Problem

At 1 bar, the temperature dependence of the standard entropy change for a reaction is given by ΔS∘(T)=150 J mol−1 K−1−0.050 J mol−1 K−2 T.\Delta S^\circ(T) = 150\,\text{J}\,\text{mol}^{-1}\,\text{K}^{-1} - 0.050\,\text{J}\,\text{mol}^{-1}\,\text{K}^{-2}\,T. The standard enthalpy change is temperature-independent at ΔH∘=+50.0 kJ mol−1.\Delta H^\circ = +50.0\,\text{kJ}\,\text{mol}^{-1}. Determine the temperature (in K) at which the reaction is at equilibrium.

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