Скачать или смотреть What is | Evaporation Definition , Examples & Factors Affecting Evaporation | Rate of Evaporation

What is evaporation definition, examples & factors affecting evaporation|, rate of evaporation?

In this video, we will discuss 🔹What is evaporation?
In simple words, Evaporation is defined as a process by which water gets converted from a liquid form to a vapour form below the temperature at which it boils; in particular, the process by which liquid water enters the atmosphere as water vapour.
The rate of evaporation depends on the temperature difference between the evaporating surface and the air, the relative humidity, and wind & surface area.
🔹How does water evaporate?
Water molecules move faster when heat is applied. The faster they move the easier it is for them to escape. When that happens, evaporation takes place, explained with the help of 3d animated evaporation diagrams.
Evaporation process of oceans accounts for 80% of the water delivered as precipitation with balance occurring on land, inland waters and plants surfaces.
🔹How does the wind affect evaporation?
Wind can help evaporation continue when the maximum vapor pressure has been reached. The air in blowing wind moves around and expands, creating more room for the vapors.
Increase in surface area results in the increase of the rate of evaporation.
Increase in humidity decrease the rate of evaporation.
🔹Why evaporation causes cooling?
Evaporation causes the cooling effect as liquid surface molecules absorb heat & escape out in the form of gas or water vapors, resulting in the decrease the kinetic energy of remaining molecules & cause the cooling effect .
Examples of the cooling effect of evaporation are following:
ether/Acetone drops place in a palm causes cooling palm.
water in an earthen pot.
-the cold air of air cooler.
sweating or perspiration in summer
sprinkling water on floor or roof causes the cooling effect

✔Also, Check out the Notes!!

👉Viscosity
https://mydigitalkemistry.com/viscosity/

👉Evaporation
https://mydigitalkemistry.com/what-is...

👉Surface Tension
https://mydigitalkemistry.com/measure...

👉Vapour pressure
https://mydigitalkemistry.com/vapour-...

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