What is the gas-to-liquid process called?

Answer

The process by which water vapour undergoes a change in state from gas back to liquid is called condensation. However, the air must be at 100% relative humidity before any of it can condense. In the process, the heat that was absorbed in evaporation by the water vapour is released from the water vapour into the air.
5 Additional Answers
The change in state from gas to liquid is called condensation. This process takes place when gas is exposed to cool temperatures. Other changes in state include; vaporization, the change from liquid to gas; melting, the change from solid to liquid; sublimation, the change from solid to gas and freezing, the change from liquid to solid.
The change from liquid to gas is called vaporization and it only occurs when liquids are subjected to temperature variations. This process denotes a change of state.
When a gas changes into liquid, the process is called condensation. It occurs when a vapour is cooled or compressed. An example of this procedure causes clouds, rain, and snow to form. Its reverse is called vaporisation.
The change from gas to liquid is referred to as condensation and it is the opposite of evaporation because water vapour undergoes a change in state from gas back to liquid. However, a condition of saturation must exist before condensation can occur. That is, the air must contain all the water vapour it can hold (100 percent relative humidity) before any of it can condense from the atmosphere.
The phase change from liquid to gas is called evaporation. It occurs on the surface of the liquid and is an important part in water cycle. Evaporation is a frequent occurrence in lakes and oceans because of the sun's rays.
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