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For evaporation to occur you need the following: Heat (energy), and water.

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What is necessary for evaporation to occur?

For evaporation to occur, there must be heat energy available to increase the kinetic energy of the liquid molecules so they can escape into the air as vapor. Additionally, there should be an open space for the vapor to escape into the atmosphere.


Can evaporation occur in a closed container?

Yes, evaporation can still occur in a closed container, but the rate of evaporation will eventually slow down because the amount of water vapor in the container will reach an equilibrium with the liquid water. At this point, the rate of condensation will equal the rate of evaporation.


What conditions are necessary for evaporation to occur?

Evaporation occurs when the temperature of a substance exceeds its boiling point, causing molecules to escape from the surface and turn into a gas. It also requires an open system where the surrounding air can absorb the evaporated molecules. Additionally, a lower humidity level helps facilitate evaporation by allowing more water molecules to escape into the drier air.


Does the evaporation of liquid occur only at fixed temperature?

No. The temperature doesn't have to be the same for a liquid to evaperate. so if the temperature was constanly changing then the liquid could still evaperate.


How long does evaporation take to occur in a given substance or environment?

The time it takes for evaporation to occur in a substance or environment depends on factors like temperature, humidity, and surface area. In general, evaporation can happen quickly in a warm and dry environment, but may take longer in a cooler or more humid setting.