The vapor pressure of water at 8 °C is?
Correct answer: C. 8.1 torr
- A. 4.579 torr
- B. 23 torr
- C. 8.1 torr
- D. 17.54 torr
Explanation
The vapor pressure of water at 8 Celsius is a known value of 8.1 torr.
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About Evaporation, Boiling Point and Vapour Pressure
Evaporation is the escape of higher-energy molecules from a liquid surface, while vapour pressure is the pressure exerted by vapour in equilibrium with that liquid. The topic distinguishes evaporation from boiling and relates both to temperature, intermolecular forces, surface area, atmospheric pressure and the boiling point.
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