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  2. File:Vasile Conta - Teoria ondulațiunii universale.pdf ...

    en.wikipedia.org/wiki/File:Vasile_Conta_-_Teoria...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  3. VSEPR theory - Wikipedia

    en.wikipedia.org/wiki/VSEPR_theory

    Another example is O(SiH 3) 2 with an Si–O–Si angle of 144.1°, which compares to the angles in Cl 2 O (110.9°), (CH 3) 2 O (111.7°), and N(CH 3) 3 (110.9°). [24] Gillespie and Robinson rationalize the Si–O–Si bond angle based on the observed ability of a ligand's lone pair to most greatly repel other electron pairs when the ligand ...

  4. Organic chemistry - Wikipedia

    en.wikipedia.org/wiki/Organic_chemistry

    Organic chemistry is a subdiscipline within chemistry involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms. [1] Study of structure determines their structural formula.

  5. Cobalt (II) thiocyanate - Wikipedia

    en.wikipedia.org/wiki/Cobalt(II)_thiocyanate

    Cobalt(II) thiocyanate is an inorganic compound with the formula Co(SCN) 2. [1] The anhydrous compound is a coordination polymer with a layered structure. The trihydrate, Co(SCN) 2 (H 2 O) 3, is a isothiocyanate complex used in the cobalt thiocyanate test (or Scott test) for detecting cocaine. The test has been responsible for widespread false ...

  6. Environmental Health

    images.huffingtonpost.com/2009-01-27-1476069x82.pdf

    operation [1]. Of those there are eight in the United States (US) [2]. In 2003 the EPA reported in the Federal Register that on average approximately seven tons of mercury were missing from each plant in the year 2000 [3]. These chlor-alkali plants have an average of fifty-six cells, each containing as much as 8,000 pounds of mercury [4] and,

  7. Tetramethyl acetyloctahydronaphthalenes - Wikipedia

    en.wikipedia.org/wiki/Tetramethyl_acetylocta...

    Tetramethyl acetyloctahydronaphthalenes (International Nomenclature for Cosmetic Ingredients name) (1-(1,2,3,4,5,6,7,8-ottaidro-2,3,8,8,-tetrametil-2-naftil)etan-1-one) is a synthetic ketone fragrance also known as OTNE (octahydrotetramethyl acetophenone) and by other commercial trade names such as: Iso E Super, Iso Gamma Super, Anthamber, Amber Fleur, Boisvelone, Iso Ambois, Amberlan, Iso ...

  8. File:Jewish Encyclopedia Volume 9.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Jewish_Encyclopedia...

    Original file (1,095 × 1,579 pixels, file size: 164.46 MB, MIME type: application/pdf, 713 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

  9. 1,9-Nonanediol - Wikipedia

    en.wikipedia.org/wiki/1,9-Nonanediol

    1,9-Nonanediol, also known as nonamethylene glycol, is a diol with the molecular formula HO(CH 2) 9 OH. It is a colorless solid, which is sparingly soluble in water but readily soluble in ethanol. It is a colorless solid, which is sparingly soluble in water but readily soluble in ethanol.