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Factors Affecting Evaporation by Mind Map: Factors Affecting Evaporation
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Factors Affecting Evaporation

Rate of evaporation is faster with moving air present

Example: Mercury hardly evaporates at room temperature as it has a boiling point of 357 degrees Celsius.

Rate of evaporation decreases with increasing humidity and increases with lower humidity.

The larger the exposed surface area, the more molecules can escape from the liquid

Evaporation only takes place at the exposed surface area of a liquid

The rate of evaporation increases when there is more exposed surface area

Temperature

Evaporation can occur at any temperature

Increase in temperature = increase in rate of evaporation

Warmer liquid

Greater number of molecules at the surface layer are energetic enough to escape

Area of Exposed Area

Humidity Of Surrounding Air

Example: Wet clothes do not dry easily when air is damp and skin feels dry in air-conditioned room.

Motion Of Air

Example: Drying your hair with a hair dryer, The moving air from the hair dryer removes the molecules of liquids as soon as they escape from the surface of your hair.

You cool faster in moving air than still air

Nature Of Liquid

Liquids with a lower boiling point evaporate faster