Explain condensation.

Asked by  | 9th Jul, 2008, 05:38: PM

Expert Answer:

Condensation is the change of the physical state of aggregation (or simply state) of matter from gaseous phase into liquid phase. When the transition happens from the gaseous phase into the solid phase directly, bypassing the liquid phase the change is called deposition, which is the opposite of sublimation.Water vapor that naturally condenses on cold surfaces into liquid water is called dew. Water vapor will only condense onto another surface when the temperature of that surface is cooler than the temperature of the water vapor. The water molecule brings a parcel of heat with it. The temperature of the atmosphere also rises very slightly. In order to have condensed, the molecule tends to be relatively low in kinetic energy. Since the atmosphere has lost a slow-moving particle, the average speed of the molecules in the atmosphere has increased. Therefore, its temperature has also risen

Answered by  | 9th Jul, 2008, 07:10: PM

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