Difference between revisions of "Gas"
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| − | '''Gas''' is one of the states of [[matter]], in which the [[molecule]]s move about unconstrained by each other and will expand into any available space. Any such fluid used as an anesthetic, as nitrous oxide; any such combustible fluid used as fuel. | + | '''Gas''' is one of the states of [[matter]], in which the [[molecule]]s move about unconstrained by each other and will expand into any available space. Any such fluid used as an anesthetic, as nitrous oxide; any such combustible fluid used as fuel.<ref>http://dictionary.reference.com/browse/gas</ref> |
| − | Gas is also short for [[gasoline]]; a volatile, flammable liquid mixture of hydrocarbons, obtained from petroleum, and used as fuel for internal-combustion engines, as a solvent, etc. | + | Gas is also short for [[gasoline]]; a volatile, flammable liquid mixture of hydrocarbons, obtained from petroleum, and used as fuel for internal-combustion engines, as a solvent, etc.<ref>http://dictionary.reference.com/browse/gasoline</ref> |
Our [[atmosphere]] is mostly composed of gases. | Our [[atmosphere]] is mostly composed of gases. | ||
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Sulfur dioxide and other volcanic gases rise from the Pu`u `O`o vent on Kilauea Volcano, [[Hawaii]]. | Sulfur dioxide and other volcanic gases rise from the Pu`u `O`o vent on Kilauea Volcano, [[Hawaii]]. | ||
</center> | </center> | ||
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| + | ==References== | ||
| + | {{reflist}} | ||
[[Category:Gases]] | [[Category:Gases]] | ||
| − | [[Category:Phases of | + | [[Category:Phases of Matter]] |
Revision as of 21:48, December 1, 2017
Gas is one of the states of matter, in which the molecules move about unconstrained by each other and will expand into any available space. Any such fluid used as an anesthetic, as nitrous oxide; any such combustible fluid used as fuel.[1]
Gas is also short for gasoline; a volatile, flammable liquid mixture of hydrocarbons, obtained from petroleum, and used as fuel for internal-combustion engines, as a solvent, etc.[2]
Our atmosphere is mostly composed of gases.
Many gases are colorless, however, some are not. For instance, chlorine gas is greenish-yellow, and N2O4 is reddish-brown.
Sulfur dioxide and other volcanic gases rise from the Pu`u `O`o vent on Kilauea Volcano, Hawaii.