Freon-113,C₂Cl₃F₃,has an Enthalpy of Vaporization of 27

question 50

Multiple Choice

Freon-113,C₂Cl₃F₃,has an enthalpy of vaporization of 27.04 kJ/mol and a normal boiling point of 48°C.At what temperature is the vapor pressure of Freon-113 equal to 76.0 mm Hg? (R = 8.31 J/K.mol)

• A) −53.1°C
• B) −23.8°C
• C) −11.4°C
• D) 1.44°C
• E) 7.12°C

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