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A vapor can exist in equilibrium with a liquid (or solid), in which case the gas pressure equals the vapor pressure of the liquid (or solid). A supercritical fluid (SCF) is a gas whose temperature and pressure are above the critical temperature and critical pressure respectively. In this state, the distinction between liquid and gas disappears.
Liquid crystal: Properties intermediate between liquids and crystals. Generally, able to flow like a liquid but exhibiting long-range orientational order. Supercritical fluid: A fluid with properties intermediate of liquids and gasses. At sufficiently high temperatures and pressures, the distinction between liquid and gas disappears, resulting ...
Solid-liquid-gas.jpg: Sadi Carnot derivative work: Dave.Dunford ( talk ) 13:43, 15 December 2010 (UTC) This is a retouched picture , which means that it has been digitally altered from its original version.
Drifting smoke particles indicate the movement of the surrounding gas.. Gas is one of the four fundamental states of matter.The others are solid, liquid, and plasma. [1] A pure gas may be made up of individual atoms (e.g. a noble gas like neon), elemental molecules made from one type of atom (e.g. oxygen), or compound molecules made from a variety of atoms (e.g. carbon dioxide).
Colors of various gases Name Formula Color Hydrogen: H 2: colorless Oxygen: O 2 pale blue Ozone: O 3 pale blue Fluorine: F 2 pale yellow Chlorine: Cl 2 greenish yellow Bromine: Br 2 red/brown Iodine: I 2 dark purple Chlorine dioxide: ClO 2 intense yellow Dichlorine monoxide: Cl 2 O brown/yellow Nitrogen dioxide: NO 2 dark brown ...
Gallane liquid decomposes at 0 °C. Nitroxyl and diazene are simple nitrogen compounds known to be gases but they are too unstable and short lived to be condensed. Methanetellurol CH 3 TeH 25284-83-7 unstable at room temperature. [154] Sulfur pentafluoride isocyanide isomerises to sulfur pentafluoride cyanide. [155]
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A typical phase diagram for a single-component material, exhibiting solid, liquid and gaseous phases. The solid green line shows the usual shape of the liquid–solid phase line. The dotted green line shows the anomalous behavior of water when the pressure increases. The triple point and the critical point are shown as red dots.