Find the Temperature at Which Ethanol Boils on a Day $\circ$

question 138

Multiple Choice

Find the temperature at which ethanol boils on a day in the mountains when the barometric pressure is 547 mmHg. (Given: The heat of vaporization of ethanol is 39.3 kJ/mol; the normal boiling point of ethanol is 78.3 ^$\circ$ C.)

• A) 10.0^\(\circ\)C
• B) 69.9^\(\circ\)C
• C) 74.6^\(\circ\)C
• D) 76.5^\(\circ\)C
• E) 77.9^\(\circ\)C