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Sublimation
- The direct conversion of a solid to a gas, without an intervening liquid phase, is called sublimation.
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The liquid molecules escape into the gas phase, becoming water vapor. Vaporization is the process in which a liquid is converted to a gas. Evaporation is the conversion of a liquid to its vapor below the boiling temperature of the liquid.
- Melting, Freezing, and Sublimation
The nature of the phase change depends on the direction of...
- Melting, Freezing, and Sublimation
By cooling the gas sufficiently, it can turn back into a liquid, a process known as condensing. The gas must first be cooled to its boiling point, after which continuing to cool the gas...
If a substance is in a closed container at the boiling point, then the liquid is boiling and the gas is condensing at the same rate without net change in their relative amount. Molecules in the liquid escape as a gas at the same rate at which gas molecules stick to the liquid, or form droplets and become part of the liquid phase.
Aug 25, 2021 · We take advantage of changes between the gas, liquid, and solid states to cool a drink with ice cubes (solid to liquid), cool our bodies by perspiration (liquid to gas), and cool food inside a refrigerator (gas to liquid and vice versa).
The attractions between particles in a gas aren't strong enough for the particles to stick together as a liquid if they collide. But there are attractive forces. If you lower the temperature enough and remove enough energy from the particles, every gas will sooner or later condense to a liquid.
Vaporization is the process in which a liquid is converted to a gas. Evaporation is the conversion of a liquid to its vapor below the boiling temperature of the liquid. If the water is instead kept in a closed container, the water vapor molecules do not have a chance to escape into the surroundings and so the water level does not change.
Oct 19, 2023 · Evaporation happens when a liquid substance becomes a gas. When water is heated, it e vaporates. The molecules move and vibrate so quickly that they escape into the atmosphere as molecules of water vapor. E vaporation is a very important part of the water cycle.
