A Liquid Has an Enthalpy of Vaporization of 30

question 72

Multiple Choice

A liquid has an enthalpy of vaporization of 30.4 kJ/mol.At 269 K it has a vapor pressure of 102 mmHg.What is the normal boiling point of this liquid? (R = 8.314 J/(K· mol) )

• A) 287 K
• B) 316 K
• C) 269 K
• D) 253 K
• E) 234 K

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