Find the temperature at which water boils on a day in the mountains when the barometric pressure is 593 mmHg.(Given: the heat of vaporization of water is 40.79 kJ/mol)
A)41.5°C
B)68.1°C
C)93.1°C
D)97.0°C
E)117°C

Question

Quizplus · Accepted Answer

The boiling point of water decreases with lower atmospheric pressure. At 593 mmHg, which is lower than standard atmospheric pressure (760 mmHg), water boils at a lower temperature. Using the Clausius-Clapeyron equation, the boiling point is approximately 93.1°C.

Find the Temperature at Which Water Boils on a Day