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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

Correct Answer:

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