Question

Define evaporation. Mention the factors that affect the rate of evaporation.Explain why evaporation causes cooling.

Answer 1

Answer:

process of turning water into vapour.

Answer 2

Answer:

evaporation: the process of turning from liquid into vapour.

Factors That Affect the Rate of Evaporation

temperature of the liquid. A cup of hot water will evaporate more quickly than a cup of cold water.

exposed surface area of the liquid. ...

presence or absence of other substances in the liquid. ...

air movement. ...

concentration of the evaporating substance in the air.

Evaporation causes cooling because the process requires heat energy. The energy is taken away by the molecules when they convert from liquid into gas, and this causes cooling on the original surface.

Explanation:

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