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  2. Pentane - Wikipedia

    en.wikipedia.org/wiki/Pentane

    Pentane is an organic compound with the formula C 5 H 12 —that is, an alkane with five carbon atoms. The term may refer to any of three structural isomers, or to a mixture of them: in the IUPAC nomenclature, however, pentane means exclusively the n-pentane isomer, in which case pentanes refers to a mixture of them; the other two are called isopentane (methylbutane) and neopentane ...

  3. Spray-on hair - Wikipedia

    en.wikipedia.org/wiki/Spray-on_hair

    Spray-on hair was one of the products pioneered by Ronco in the 1980s, under the name "GLH-9" (Great Looking Hair Formula #9). [2] The product "was popular in the 1990s with 30-minute infomercials for the product on late-night cable TV", [ 3 ] and the Ronco version sold over a half million cans. [ 3 ]

  4. Color of chemicals - Wikipedia

    en.wikipedia.org/wiki/Color_of_chemicals

    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 Trifluoronitrosomethane: CF 3 NO deep blue ...

  5. Chloroauric acid - Wikipedia

    en.wikipedia.org/wiki/Chloroauric_acid

    Often the ligand serves as reducing agent as illustrated with thiourea, CS(NH 2) 2: [AuCl 4] − + 3 CS(NH 2) 2 + H 2 O → [Au(CS(NH 2) 2) 2] + + CO(NH 2) 2 + S + 2 Cl − + 2 HCl. Chloroauric acid is the precursor to gold nanoparticles by precipitation onto mineral supports. [12] Heating of H[AuCl 4]·nH 2 O in a stream of chlorine gives gold ...

  6. Cyclopentadienyliron dicarbonyl dimer - Wikipedia

    en.wikipedia.org/wiki/Cyclopentadienyliron_di...

    2 Fe(CO) 5 + C 10 H 12 → (η 5-C 5 H 5) 2 Fe 2 (CO) 4 + 6 CO + H 2. In this preparation, dicyclopentadiene cracks to give cyclopentadiene, which reacts with Fe(CO) 5 with loss of CO. Thereafter, the pathways for the photochemical and thermal routes differ subtly but both entail formation of a hydride intermediate. [5] The method is used in ...

  7. CPK coloring - Wikipedia

    en.wikipedia.org/wiki/CPK_coloring

    Column C is the original assignment by Corey and Pauling. [3] Column K is that of Koltun's patent. [4] Column J is the color scheme used by the molecular visualizer Jmol. [9] Column R is the scheme used by Rasmol; when two colors are shown, the second one is valid for versions 2.7.3 and later. [9] [10]