Use Trouton's constant to estimate the enthalpy of condensation of diethyl ether, which boils at 309 K. A) -26 kJ.mol^-¹ B) +26 kJ.mol^-¹ C) -275 kJ.mol^-¹ D) -85 kJ.mol^-¹ E) +85 kJ.mol^-¹

Question

Quizplus · Accepted Answer

Trouton's constant is approximately 85 J.mol^-¹.K^-¹. Therefore, the enthalpy of condensation of diethyl ether is:ΔH_cond = -T_bΔS_cond ≈ -T_b(85 J.mol^-¹.K^-¹) = -309 K(85 J.mol^-¹.K^-¹) = -26 kJ.mol^-¹

Use Trouton's Constant to Estimate the Enthalpy of Condensation of Diethyl