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. | '''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. | ||
| − | Our atmosphere is mostly composed of gases. | + | Our [[atmosphere]] is mostly composed of gases. |
| − | Many gases are colorless, however, some are not. For instance, chlorine gas is greenish-yellow, and N<sub>2</sub>O<sub>4</sub> is reddish-brown. | + | Many gases are colorless, however, some are not. For instance, [[chlorine]] gas is greenish-yellow, and N<sub>2</sub>O<sub>4</sub> is reddish-brown. |
[[Category:physics]] | [[Category:physics]] | ||
[[Category:chemistry]] | [[Category:chemistry]] | ||
Revision as of 20:42, May 8, 2007
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.
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.