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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 ...
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.
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 ...
Image:Solid liquid gas.svg Licensing Although I believe this work is not worth copyrighting, I formerly licensed this work under the same license ( GDFL 1.2) as en:Image:Gas-particles.jpg by en:User:Sadi Carnot just to be safe, in case this image was considered a derivative work.
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Several of the CPK colors refer mnemonically to colors of the pure elements or notable compound. For example, hydrogen is a colorless gas, carbon as charcoal, graphite or coke is black, sulfur powder is yellow, chlorine is a greenish gas, bromine is a dark red liquid, iodine in ether is violet, amorphous phosphorus is red, rust is dark orange-red, etc.