The Molar Enthalpy of Vaporization of Hexane (C₆H₁₄) Is 28

question 124

Multiple Choice

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? (R = 8.314 J/K • mol)

• A) 171 torr
• B) 4.44 torr
• C) 117 torr
• D) 3370 torr
• E) 759 torr

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