Chemistry

Chemistry

Problem

For a particular reaction, equilibrium data collected at a single temperature give the point (ln⁡K=1.20,  ΔG∘=−3.0 kJ mol−1)(\ln K = 1.20,\; \Delta G^{\circ} = -3.0\,\text{kJ mol}^{-1}) on a ΔG∘\Delta G^{\circ} versus ln⁡K\ln K plot. Assuming the relationship between the variables is linear and passes through the origin, what is the predicted value of ΔG∘\Delta G^{\circ} when ln⁡K\ln K is 3.00 at the same temperature? a) +7.5 kJ mol−1+7.5\,\text{kJ mol}^{-1} b) −1.2 kJ mol−1-1.2\,\text{kJ mol}^{-1} c) −7.5 kJ mol−1-7.5\,\text{kJ mol}^{-1} d) −2.5 kJ mol−1-2.5\,\text{kJ mol}^{-1}

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