What Is Condensation

Last Updated on December 31, 2020 by Neil Mackengie

Condensation is the opposite of evaporation. In evaporation, a liquid changes into a gas or vapor. In condensation, a gas or vapor tums into liquid or solid form. This happens when it is cooled or compressed.

What Is Condensation

There are two important changes that take place when a gas condenses. The first is that the volume of the gas decreases when it tums into a liquid state. The second is that heat is given off, which is called “heat of condensation”. When steam condenses to water, for every gram of water formed, 540 are released.

Condensation is important in many ways in the world around us. When water vapour in the air is condensed, we have clouds. Dew is formed when moisture-filled air comes in contact with a surface cooled to the right temperature. The moisture in the air condenses on the surface.

You have probably noticed condensation taking place in front of your eyes when you looked at a glass of iced water in humid weather. There was warm, moist air and as it struck the surface of the cold water the moisture in the air condensed on the outside of the glass.

Sometimes vapor in the air can condense directly into a solid form. For example, in below-freezing temperatures, the vapor condenses into frost on the cold pipes of a refrigerator.

What Is Condensation Short Answer?

Condensation is the process where water vapor becomes liquid.

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