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Evapouration is called a surface phenomenon because as we put water in the presence of sunlight with duration in time the temperature starts increasing and the hydrogen bonds of H2O from the surface starts breaking and the dissociated molecules move upward (lighter in nature) and therfore evapouration takes place from the surface but not inside.
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How does evaporation occur?
Evaporation is a spontaneous phenomenon. The molecules in the liquid possess kinetic energy. All the molecules donot possess the same kinetic energy. The molecules with higher kinetic energy are on the surface of liquids. They can readily overcome the intermolecular attractions and escape into the atmosphere. This phenomenon is known as evaporation. As the molecules with higher kinetic energy keep on escaping the whole kinetic energy of the liquid is lowered. Since energy is directly proportional to temperature. Thus evaporation causes cooling effect.
3 examples of evaporation?
Evaporation refers to the process of becoming vapor. Evaporation occurs when the sun heats up the earth surface. Evaporation also occurs when water is heated in a cooking vessel.
Which part of the water cycle transfers water from Earth's surface to the atmosphere?
Evaporation
What factors control evaporation on a soil surface?
Factors that affect evaporation include temperature, humidity, wind velocity, exposed surface area, porosity of soil, grain size of soil particles, soil water content, matric potential, and sun intensity.
What role does evaporation play in the water cycle?
Evaporation moves the water from the earth's surface up into the atmosphere. It helps to make the water form clouds from water vapour and condensation. It helps to convert the water vapours (its gas form) to water (its liquid form).
Why do we say that evaporation is a surface phenomenon?
Evaporation is considered a surface phenomenon because it occurs at the interface between a liquid and its surrounding atmosphere. It involves the escape of molecules from the surface of a liquid into the air as vapor. The rate of evaporation is influenced by factors such as temperature, surface area, and air movement at the liquid's surface.
Why do you say that evaporation is a surface phenomenon?
Evaporation occurs at the surface of a liquid because it involves the conversion of liquid water molecules at the surface into water vapor molecules. This process requires energy to break the intermolecular bonds at the surface of the liquid, which is why it is considered a surface phenomenon.
Which forms in evaporation?
Water gets converted into vapors. Evaporation is a surface phenomenon.
Why is evaporation called surface phenomenon whereas boiling is bulk phenomenon?
Evaporation occurs at the surface of a liquid, where molecules gain enough energy to escape into the gas phase. Boiling, on the other hand, happens throughout the bulk of the liquid when the vapor pressure of the liquid equals the atmospheric pressure, leading to the formation of bubbles that rise to the surface. This difference in mechanisms accounts for why evaporation is considered a surface phenomenon and boiling a bulk phenomenon.
Why do we say that evaporation is the surface phenomenon?
Because it takes place at the surface of the liquid.
Why is evaporation called surface phenomenon?
evaporation is called a surface phenomenon because the particles of liquid gain energy from the surroundings , having higher kinetic energy, is able to break the away from the forces of attraction of other particle . that is why it is called a surface phenomenon
What is the change of a liquid to a gas under the surface of a liquid?
At the surface of the liquid the phenomenon is called evaporation. In the entire voume of the liquid the phenomenon is called vaporization.
Why evaporation as surface phenomenon whereas boiling called as bulk phenomenon?
Evaporation is considered a surface phenomenon because it occurs only at the surface of a liquid, where molecules gain enough energy to escape into the gas phase without the need for the entire liquid to reach a specific temperature. In contrast, boiling is a bulk phenomenon because it involves the formation of vapor bubbles throughout the entire volume of the liquid, requiring the temperature to reach the boiling point, leading to a rapid transition from liquid to gas. Thus, evaporation is localized, while boiling affects the entire body of the liquid.
Why is evaporation a surface phenomenon?
evaporation is called a surface phenomenon because the particles of liquid gain energy from the surroundings , having higher kinetic energy, is able to break the away from the forces of attraction of other particle . that is why it is called a surface phenomenon
Why evaporation is called a surface phenomenon?
Evaporation can only take place on the surface of liquids because that is where the molecules with the highest kinetic are found. Only molecules with high kinetic energy are free to escape into the atmosphere.
Is evaporation a surface phenomenon?
Evaporation is greatest at the surface. The wind and sun and, boiling water on a kitchen stove, all increase the evaporation rate of the water - which is the process of turning liquid water into a water vapour.
What is liquid to gas evaporation called?
1. When the phenomenon occur at a temperature under the boiling point, at the surface of a liquid, the term is evaporation.2. When the phenomenon occur at the boiling point, in all the volume of the liquid, the term is boiling.
