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Relative humidity is a term used to describe the amount of water vapor in a mixture of air and water vapor. It is defined as the ratio of the partial pressure of water vapor in the air-water mixture to the saturated vapor pressure of water at the prescribed temperature. The relative humidity of air depends not only on temperature but also on the pressure of the system of interest. Relative humidity is often used instead of absolute humidity in situations where the rate of water evaporation is important, as it takes into account the variation in saturated vapor pressure.

The relative humidity of an air-water mixture is defined as the ratio of the partial pressure of water vapor (H₂O) in the mixture to the saturated vapor pressure of water at a prescribed temperature.

Relative humidity is normally expressed as a percentage and is calculated by using the following equation:^[1]

<dl><dd><dl><dd><dl><dd></dd></dl></dd><dd>Source: http://en.wikipedia.org/wiki/Relative_humidity</dd></dl></dd></dl>

11 years ago. Rating: 2
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Everything is relative - - - - -Einstein .

That means everything is connected, but in a comparative way .

11 years ago. Rating: 0
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