Define evapouration? Write factors which influince the rate of evapouration
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EVAPORATION:-
✔️The phenomenon of change of liquid into vapours at any temperature below its boiling point is called evaporation.
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The rate of evaporation of a liquid depends on various factors. These are:
1️⃣Humidity:
✔️Humidity is the amount of water vapour present in air. Air can hold only a certain amount of water vapour at a particular temperature. Therefore, if humidity is high, there is no space for more vapour. Hence, the rate of evaporation decreases with increase in humidity.
2️⃣Temperature:
✔️With an increase in the temperature, kinetic energy of the particles also increases and more and more particles are able to break through the force of attraction from other particles. Hence, they get converted into vapours. Thus, evaporation increases with temperature.
3️⃣Wind Speed:
✔️The rate of evaporation increases with an increase in the wind speed. This is because fast moving air takes away water vapours from the atmosphere, thereby decreasing its amount, and making room for more. As a result, more evaporation occurs.
4️⃣Surface Area:
✔️Increase in the surface area increases the rate of evaporation. If the surface area is large, then there will be more molecules on the surface to turn into vapours.
✔️The phenomenon of change of liquid into vapours at any temperature below its boiling point is called evaporation.
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The rate of evaporation of a liquid depends on various factors. These are:
1️⃣Humidity:
✔️Humidity is the amount of water vapour present in air. Air can hold only a certain amount of water vapour at a particular temperature. Therefore, if humidity is high, there is no space for more vapour. Hence, the rate of evaporation decreases with increase in humidity.
2️⃣Temperature:
✔️With an increase in the temperature, kinetic energy of the particles also increases and more and more particles are able to break through the force of attraction from other particles. Hence, they get converted into vapours. Thus, evaporation increases with temperature.
3️⃣Wind Speed:
✔️The rate of evaporation increases with an increase in the wind speed. This is because fast moving air takes away water vapours from the atmosphere, thereby decreasing its amount, and making room for more. As a result, more evaporation occurs.
4️⃣Surface Area:
✔️Increase in the surface area increases the rate of evaporation. If the surface area is large, then there will be more molecules on the surface to turn into vapours.
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EVAPORATION :- It is a type of vaporization which occurs on the surface of the liquid changing it to gas before reaching boiling point.
FACTORS AFFECTING EVAPORATION ARE :-
⇒TEMPERATURE
⇒HUMIDITY
⇒SURFACE AREA
⇒WIND SPEED
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