試題詳解

 25. The molar enthalpy of vaporization of hexane (C₆H₁₄) is 28.9 kJ/mol, and its normal boiling point is 68.73°C. What is the vapor pressure of hexane at 25°C?
(A)4.44 torr
(B)117 torr
(C)241 torr
(D)759 torr
(E)171 torr