A Particular Compound Has an Enthalpy of Vaporization of 28400

question 95

Multiple Choice

A particular compound has an enthalpy of vaporization of 28400 J/mol.At 274 K it has a vapor pressure of 122 mmHg.What is its vapor pressure at 311 K? (R = 8.31 J/(K· mol) )

• A)117 mmHg
• B)262 mmHg
• C)27.6 mmHg
• D)538 mmHg
• E)126 mmHg

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