At 25 °C, the equilibrium vapour pressure of ethanol is 0.0821 bar. The standard enthalpy of vapourization is 39.28 kJ/mol. What is the boiling point of ethanol at standard pressure? In other words, at what temperature does the equilibrium vapour pressure of ethanol reach 1.000 bar? Report your answer in degrees Celsius, but do not include the units in the answer. Report your answer to the nearest degree.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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At 25 °C, the equilibrium vapour pressure of ethanol is 0.0821 bar. The standard
enthalpy of vapourization is 39.28 kJ/mol. What is the boiling point of ethanol at
standard pressure? In other words, at what temperature does the equilibrium vapour
pressure of ethanol reach 1.000 bar? Report your answer in degrees Celsius, but do
not include the units in the answer. Report your answer to the nearest degree.
Transcribed Image Text:At 25 °C, the equilibrium vapour pressure of ethanol is 0.0821 bar. The standard enthalpy of vapourization is 39.28 kJ/mol. What is the boiling point of ethanol at standard pressure? In other words, at what temperature does the equilibrium vapour pressure of ethanol reach 1.000 bar? Report your answer in degrees Celsius, but do not include the units in the answer. Report your answer to the nearest degree.
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