The Vapor Pressure of Ethanol Is 400 MmHg at 63

question 18

Multiple Choice

The vapor pressure of ethanol is 400 mmHg at 63.5°C. Its molar heat of vaporization is 39.3 kJ/mol. What is vapor pressure of ethanol, in mmHg, at 34.9°C?

• A)1,510 mmHg
• B)100 mmHg
• C)200 mmHg
• D)0.0099 mmHg
• E)4.61 mmHg

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