Chemistry

Chemistry

Problem

At 500 K500\,\text{K}, the equilibrium constant KK for a certain gaseous reaction is measured to be 1.001.00. Which of the following values for ΔG∘\Delta G^{\circ} at 500 K500\,\text{K} is most consistent with this observation? a) −15 kJ mol−1-15\,\text{kJ mol}^{-1} b) −4.2 kJ mol−1-4.2\,\text{kJ mol}^{-1} c) +15 kJ mol−1+15\,\text{kJ mol}^{-1} d) 0 kJ mol−10\,\text{kJ mol}^{-1}

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