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Gases
Properties of Gases
Chemistry Textbooks Boundless Chemistry Gases Properties of Gases
Chemistry Textbooks Boundless Chemistry Gases
Chemistry Textbooks Boundless Chemistry
Chemistry Textbooks
Chemistry
Concept Version 19
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Substances that Exist as Gases

States of matter

States of matter

Matter transitions between three classical states of matter (gas, solid, and liquid) and a fourth state of matter. Note that the enthalpy of a system is the heat content of a system at constant pressure. The process of a solid converting to a liquid is known as "melting"; liquid to a gas is "vaporization"; and gas back to a solid is "deposition." These same processes in the reverse direction are "freezing"; "condensation"; and "sublimation."

Source

    Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:

    "Phase change."
    http://en.wikipedia.org/wiki/Gas%23mediaviewer/File:Phase_change_-_en.svg Wikimedia Public domain.

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