The Smell of Fresh-Cut Pine Is Due in Part to a Cyclic

question 123

Multiple Choice

The smell of fresh-cut pine is due in part to a cyclic alkene called pinene. A graph of the natural logarithm of the vapor pressure of pinene vs. 1/temperature produces a straight line with a slope of -4936.37 K. What is the enthalpy of vaporization of pinene?

• A) +397 kJ/mol
• B) -39.7 kJ/mol
• C) +39.7 kJ/mol
• D) -41.0 kJ/mol
• E) +41.0 kJ/mol

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