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  • ...h contains information on [[global warming potential]] (GWP) of greenhouse gases.</ref> ...ion of a young [[Humphry Davy]], who was encouraged to experiment with new gases for patients to inhale.<ref name="Drug discovery"/> The first important wor
    61 KB (8,728 words) - 16:50, 27 September 2010
  • ...on strongly resists removal of an electron, mercury behaves similarly to [[noble gas]] elements, which form weak bonds and thus easily melting solids. The s Laboratory tests have found that an electrical discharge causes the [[noble gases]] to combine with mercury vapor. These compounds are held together with [[v
    69 KB (10,077 words) - 21:35, 20 September 2010
  • ...[[ionomer]]s and designed to conduct [[anions]] while being impermeable to gases such as [[oxygen]] or [[hydrogen]]. This is their essential function when i ...] anion exchange membrane in the [[fuel cell]] is the potential to use non-noble metals such as [[iron]], [[cobalt]] or [[nickel]]<ref>[http://www.reuters.c
    2 KB (266 words) - 10:10, 20 September 2010
  • ...raction techniques#Electrorefining|electrorefining of copper]] and nickel, noble metals such as silver, gold and the platinum group metals including [[selen ...itle = Reactive ion etching of RuO<sub>2</sub> films: the role of additive gases in O<sub>2</sub> discharge|journal = Physica Status Solidi A |year = 1997 |
    39 KB (5,430 words) - 10:13, 20 September 2010
  • ...ctive insulators because they are composed almost entirely from a gas, and gases are very poor heat conductors. Silica aerogel is especially good because si ...spacecraft. The particles vaporize on impact with solids and pass through gases, but can be trapped in aerogels. NASA also used aerogel for [[thermal insul
    26 KB (3,758 words) - 10:14, 20 September 2010
  • ...with [[hydrogen]] gas. This is a [[reversible reaction]], in which the two gases react to form [[ammonia]]: ...de. When the volume of the system is changed, the partial pressures of the gases change. Because there are more moles of gas on the reactant side, this chan
    12 KB (1,797 words) - 20:16, 21 September 2010
  • ...n shown to apply for a wide range of dilute solutions, not merely those of gases. Some values for ''k''<sub>H</sub> for gases dissolved in [[water (molecule)|water]] at 298&nbsp;[[kelvin|K]] include:
    16 KB (2,475 words) - 20:16, 21 September 2010
  • ...partial pressures remain constant, assuming an ideal-gas behaviour of all gases involved). However, the composition at equilibrium will depend appreciably ...ated with the reaction molar volume.<ref>"R.V. Eldik, T. Asano and W.J. Le Noble, "Activation and Reaction Volumes in Solution. 2.", Chem. Rev., 89, p 549-6
    22 KB (3,493 words) - 20:16, 21 September 2010
  • ...ZEE|non}}) --> Its [[atomic number]] is 54. A colorless, heavy, odorless [[noble gas]], xenon occurs in the [[Earth's atmosphere]] in trace amounts.<ref>{{c ...ion]]s such as the formation of [[xenon hexafluoroplatinate]], the first [[noble gas compound]] to be synthesized.<ref name="lanl">{{cite web
    82 KB (11,842 words) - 21:02, 24 September 2010