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Ethanol has a normal boiling point of 78.3 ºC and a standard heat of vaporization (ΔH°vap) of 38.6 kStates of Matter Chemistry Question

Question

Ethanol has a normal boiling point of 78.3 ºC and a standard heat of vaporization (ΔH°vap) of 38.6 kJ mol-1. What is the vapor pressure of ethanol at 45.0 ºC?

A.

0.25 atm

✓ Correct
B.

0.57 atm

C.

0.87 atm

D.

0.91 atm

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