Topic Content:
- Meaning of Evaporation
- Factors Affecting Evaporation
- Molecular Explanation of Evaporation
- Cooling by Evaporation
Evaporation is a process of a substance in a liquid state changing to a gaseous state (vapour), below its polling point. It occurs at all temperatures.
Factors Affecting Evaporation:
Factors affecting the evaporation of a substance include:
1. Temperature: The rate of evaporation increases with temperature.
2. Pressure: The greater the pressure, the slower the rate of evaporation.
3. Surface Area: As the surface area of liquid increases, the rate of evaporation also increases.
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