Difference between Vaporization and Evaporation

Difference Between Vaporization and Evaporation

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Difference Between Vaporization and Evaporation which is a part of vaporization are the processes that are nothing but a phase transition of a substance from a solid or liquid state to gas. They are often used interchangeably but very few know the exact difference between them. So to make things clear, here are some of the major differences between evaporation and vaporization.

What is Vaporization?

Vaporization will be defined because of the process during which the liquid state changes into the vapor state. As a result of a rise in temperature, the K.E. of the molecules increases. Due to the increases in K.E, the force of attraction between the molecules reduces. As a result, they escape into the surrounding within the form of vapors this process involves the consumption of heat energy.

Difference Between Vaporization and Evaporation

Types of Vaporization

Vaporization can be divided into two types.

  1. Evaporation
  2. Boiling

Evaporation is different from boiling in the idea that evaporation may be a surface phenomenon, unlike boiling which may be a bulk phenomenon.

The science involved during this medieval practice is evaporation. Water is stored in earthen pots especially in summers to stay the water cool. Earthen pots are made from clay particles and have pores in them. When water is poured into the pot, it gets evaporated from the pores by absorbing heat from the remaining water within the pot.

This causes the cooling of the remaining water within the pot due to heat loss. Hence, water is kept cool which makes it suitable for drinking during summers.


Evaporation, wherein the transition from the liquid phase to gas phase takes place below the boiling temperature at a given pressure and occurs on the surface.

Evaporation, therefore, is a type of vaporization of a liquid into gas on its surface. It is a part of the water cycle wherein solar energy causes the evaporation of water from oceans, seas, and other bodies of water as well as the moisture in the soil. When water is exposed to air, liquid molecules turn into vapor and rise up to form clouds where they are accumulated until such time that they are released back to earth as rain.

Liquid molecules must be located near the surface, move in the right direction, and have enough kinetic energy for them to evaporate. Since only a small amount of molecules have these factors, the rate of evaporation is constrained.

Difference Between Vaporization and Evaporation

Vaporization Evaporation
Vaporization is defined as the transitional phase of a compound or an element and it occurs during the boiling or sublimation process. Evaporation is nothing but a type of vaporization which mostly occurs at temperatures below the boiling point.
state of matter
Vaporization can change the state of matter from a solid or liquid to a gas. During evaporation, the liquid state of matter is turned directly into a gas.
speed of process and energy
Vaporization is usually a fast process and requires less amount of energy. Evaporation is generally a slower process and requires more energy as the molecules have a high tendency to convert into the vapor phase.
effect on water
During vaporization, all of the water can turn into gas. As for evaporation, only the top level of water is turned into gas.
effect of molecules
When vaporization occurs, molecules could come from below the surface when the liquid is boiling. During evaporation, the molecules vaporize only from the surface of the liquid.

Factor affecting the speed of Vaporization

  1. Temperature: Vaporization is directly proportional to temperature.  Because the temperature rises the mechanical energy of the molecules also increases. As a result, the force of attraction reduces. Hence, with a rise in temperature the speed of evaporation increases.
  2. Surface area: With the rise in surface area, the speed of vaporization also increases as more particles are exposed to the change in temperature.
  3. Pressure: Pressure is inversely propositional to evaporation. As pressure increases, it gets difficult for the particles to realize the required kinetic energy and escape.
  4. Wind speed: With a rise in wind speed, the speed also increases as particles are driven away by the wind.

Examples of Vaporization

  • Industrially, salt is recovered from seawater by the method of vaporization.
  • Wet clothes are dried up because of the method of vaporization.
  • The process is employed in many industrial processes for separating the components of a mixture.


1.Vaporization is a transitional phase of an element or compounds from a solid phase or liquid phase to a gas phase while evaporation is a type of vaporization wherein the transition from a liquid phase to a gas phase takes place below the boiling temperature at a given pressure, and it occurs on the surface.
2.Vaporization changes the phase or state of matter from a solid or liquid to a gas while evaporation changes the liquid state of matter into a gas.
3.Vaporization can occur with boiling, sublimation, or evaporation while evaporation can happen with the right amount of heat, humidity, and air movement.

also, check Difference Between Conduction Convection and Radiation

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