Question

Explain what is meant by relative humidity.

   Explain what is meant by relative humidity.

Living by Chemistry

Living by Chemistry

Angelica M. Stacy 2nd Edition

Chapter 12, Problem 2

Instant Answer

Solved by Expert David Collins

10/16/2020

Step 1

Relative humidity is the ratio of the current amount of water vapor in the air at a given temperature to the maximum amount of water vapor the air could hold at that temperature. It is usually expressed as a percentage. Show more…

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Explain what is meant by relative humidity.

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Key Concepts

Relative Humidity

Relative humidity is a measure of how much water vapor is in the air relative to the maximum amount the air could hold at a given temperature. It is expressed as a percentage, indicating how close the air is to being fully saturated with moisture.

Saturation Vapor Pressure

Saturation vapor pressure refers to the maximum pressure exerted by water vapor in the air when it is in equilibrium with liquid water at a specific temperature. This concept is essential for determining relative humidity, as it provides the scale against which the actual water vapor content is compared.

Temperature Dependence

Temperature is a critical factor in relative humidity because warmer air can hold more water vapor than cooler air. Changes in temperature affect the saturation vapor pressure, meaning that even with constant water content, relative humidity will vary as the air warms or cools.

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