Define evaporation
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Answer:
- Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase. The surrounding gas must not be saturated with the evaporating substance. When the molecules of the liquid collide, they transfer energy to each other based on how they collide with each other
Answer:
Explanation:
Evaporation can generally be defined as a process by which a liquid or solid is transformed into vapour.
When you spray perfume on your body, your body feels slightly cooler. The same goes for acetone and water. This is an effect of evaporation or the change of matter from its liquid state to its vapour state. The only difference is the rate at which the coolness is felt. In the case of acetone, the part of your body that is in contact with the liquid will cool the fastest. This happens because the evaporation rate of acetone is higher than that of water or perfume.
Evaporation is a form of vaporisation that usually happens on the surface of liquids and it involves the transition of the liquid particles into the gaseous phase. Therefore, this process is said to involve a change in the state of matter of liquids. The surrounding gas must not be saturated with the substance which is evaporating. They transfer energy to each other as the molecules of the liquid collide, depending on how they collide with each other. The liquid particles will generally escape and enter the surrounding air as a gas when a molecule near the surface consumes enough energy to overcome the vapour pressure. The energy extracted from the vaporised liquid as evaporation occurs will decrease the temperature of the liquid, resulting in a process known as evaporative cooling.
