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  2. Avogadro constant - Wikipedia

    en.wikipedia.org/wiki/Avogadro_constant

    The Avogadro constant, commonly denoted N A [1] or L, [2] is an SI defining constant with an exact value of 6.022 140 76 × 10 23 mol −1 (reciprocal moles). [3] [4] It is this defined number of constituent particles (usually molecules, atoms, ions, or ion pairs—in general, entities) per mole and used as a normalization factor in relating the amount of substance, n(X), in a sample of a ...

  3. Mole Day - Wikipedia

    en.wikipedia.org/wiki/Mole_Day

    Mole Day is an unofficial holiday celebrated among chemists, chemistry students, and chemistry enthusiasts on October 23 between 6:02 a.m. and 6:02 p.m., [1] [2] ...

  4. Helium - Wikipedia

    en.wikipedia.org/wiki/Helium

    Helium is the least water-soluble monatomic gas, [96] and one of the least water-soluble of any gas (CF 4, SF 6, and C 4 F 8 have lower mole fraction solubilities: 0.3802, 0.4394, and 0.2372 x 2 /10 −5, respectively, versus helium's 0.70797 x 2 /10 −5), [97] and helium's index of refraction is closer to unity than that of any other gas. [98]

  5. FLCL - Wikipedia

    en.wikipedia.org/wiki/FLCL

    FLCL (Japanese: フリクリ, Hepburn: FURI KURI, pronounced in English as FOOLY COOLY) is an anime anthology series created and directed by Kazuya Tsurumaki, written by Yōji Enokido, and produced by the FLCL Production Committee, which consisted of Gainax, Production I.G, and King Records.