Grade 11Physical Chemistry
Please explain what is dew point?
Please explain what is dew point?
1 Answer
Vijay Luxmi Askiitiansexpert
Approved Tutor Answer15 Years ago
Dear Aditya,
The dew point is the temperature to which a given parcel of humid air must be cooled, at constant barometric pressure, for water vapor to condense into water. The condensed water is called dew. The dew point is a saturation point.
The dew point is associated with relative humidity. A high relative humidity indicates that the dew point is closer to the current air temperature. Relative humidity of 100% indicates the dew point is equal to the current temperature and the air is maximally saturated with water. When the dew point remains constant and temperature increases, relative humidity will decrease.
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