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  2. List of gases - Wikipedia

    en.wikipedia.org/wiki/List_of_gases

    This list is sorted by boiling point of gases in ascending order, but can be sorted on different values. "sub" and "triple" refer to the sublimation point and the triple point, which are given in the case of a substance that sublimes at 1 atm; "dec" refers to decomposition. "~" means approximately. Blue type items have an article available by ...

  3. Category:Gases - Wikipedia

    en.wikipedia.org/wiki/Category:Gases

    Afrikaans; Alemannisch; العربية; Aragonés; অসমীয়া; Asturianu; Azərbaycanca; تۆرکجه; বাংলা; 閩南語 / Bân-lâm-gú ...

  4. Potassium - Wikipedia

    en.wikipedia.org/wiki/Potassium

    K is the radioisotope with the largest abundance in the human body. In healthy animals and people, 40 K represents the largest source of radioactivity, greater even than 14 C. In a human body of 70 kg, about 4,400 nuclei of 40 K decay per second. [33] The activity of natural potassium is 31 Bq/g. [34]

  5. Gas - Wikipedia

    en.wikipedia.org/wiki/Gas

    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).

  6. Glossary of chemistry terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_chemistry_terms

    Also acid ionization constant or acidity constant. A quantitative measure of the strength of an acid in solution expressed as an equilibrium constant for a chemical dissociation reaction in the context of acid-base reactions. It is often given as its base-10 cologarithm, p K a. acid–base extraction A chemical reaction in which chemical species are separated from other acids and bases. acid ...

  7. Acetylene - Wikipedia

    en.wikipedia.org/wiki/Acetylene

    Approximately 20% of acetylene is supplied by the industrial gases industry for oxyacetylene gas welding and cutting due to the high temperature of the flame. Combustion of acetylene with oxygen produces a flame of over 3,600 K (3,330 °C; 6,020 °F), releasing 11.8 kJ/g. Oxygen with acetylene is the hottest burning common gas mixture. [32]

  8. 100 boy names that start with 'K' - AOL

    www.aol.com/news/100-boy-names-start-k-173211205...

    Here are 100 boy names that start with "K" for parents to consider for their sons. ... I made one of the 20th century's most outrageous recipes. Lighter Side. Lighter Side. The Independent US.

  9. List of states of matter - Wikipedia

    en.wikipedia.org/wiki/List_of_states_of_matter

    Gas: A compressible fluid. Not only will a gas take the shape of its container but it will also expand to fill the container. Mesomorphic states: States of matter intermediate between solid and liquid. Plastic crystal: A molecular solid with long-range positional order but with constituent molecules retaining rotational freedom.