At What Temperature Does Ethanol Boil on a Day in the Mountains

question 114

Multiple Choice

At what temperature does ethanol boil on a day in the mountains when the barometric pressure is 547 mmHg? The heat of vaporization of ethanol is 39.3 kJ/mol and its normal boiling point is 78.3°C. (R = 8.314 J/K • mol)

• A) 76.5°C
• B) 69.9°C
• C) 10.0°C
• D) 77.9°C
• E) 74.6°C

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