A Plot of Ln(vapor Pressure) Versus 1/T for Methanol Gives

question 31

Multiple Choice

A plot of ln(vapor pressure) versus 1/T for methanol gives a straight line with an intercept of 13.6.The enthalpy of vaporization of methanol is

• A) 113 kJ . mol ^{- 1}.
• B) 13.6 kJ . mol ^{- 1}.
• C) 611 kJ . mol ^{- 1}.
• D) 1.64 kJ . mol ^{- 1}.
• E) Not enough information given to calculate.

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