Liquids to Gaseous (and vice versa)

Content

• Evaporation and boiling
• Examples of liquids to gases (vaporization)
• Examples of gases to liquids (condensation)

Matter can be found in three physical states: solid, liquid, or gas. The passage of an element from one state to another (from solid to liquid, from liquid to gaseous, from gaseous to solid or vice versa) is produced by the increase in temperature or pressure to which it is subjected.

These changes do not chemically modify the qualities of matter, but rather it varies in its shape and physical characteristics. When matter is in a liquid state, the particles are at a certain distance from each other; in the gaseous state this distance is even greater and matter does not have volume or shape.

The phenomena that occur when matter goes from a liquid state to a gaseous state, and vice versa, are:

• Vaporization. Process by which matter passes from a liquid to a gaseous state due to an increase in temperature or pressure to which matter is exposed. For example: whenandThe heat from the sun turns the water in puddles into water vapor. There are two types of vaporization: boiling and evaporation.
• Condensation. Process by which an element goes from the gaseous state to the liquid state when exposed to a variation in temperature or pressure. For example: when water vapor condenses and forms water particles that make up clouds. This process occurs naturally (condensation is part of the water cycle) and can also be carried out in laboratories.

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• Vaporization
• Condensation

Evaporation and boiling

Evaporation and boiling are types of vaporization that occur when a matter goes from a liquid to a gaseous state. Evaporation occurs when matter in a liquid state receives a certain amount of temperature and occurs only on the surface of the liquid. For example: TOhen the increase in temperature, the water changes from a liquid state to water vapor.

Boiling only occurs at a specific temperature level for each substance. Boiling occurs when all the molecules in the liquid exert pressure and turn into gas. For example: ANDThe boiling point of water is at 100 ° C.

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• Evaporation
• Boiling

Examples of liquids to gases (vaporization)

1. The liquid aerosol evaporates into aerosol vapor.
2. The smoke from a cup of tea or coffee is the liquid evaporating.
3. The alcohol in an alcohol bottle evaporates when it is opened.
4. The water in wet clothes dries out from the sun and evaporates.
5. The water in a pot at its boiling point evaporates.

Examples of gases to liquids (condensation)

1. The water vapor that clouds a mirror.
2. Water vapor in the atmosphere turns into water particles that form clouds.
3. The dew that forms in the morning on the leaves of plants.
4. Nitrogen turns into liquid nitrogen.
5. Hydrogen transforms into liquid hydrogen.

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• Liquids to solids
• Solid to gaseous