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  2. M104 155 mm projectile - Wikipedia

    en.wikipedia.org/wiki/M104_155_mm_projectile

    The M104 155 mm projectile is a chemical artillery shell designed for use by the U.S. Army.It was specifically designed to carry about 11.7 pounds (5.3 kg) of sulfur mustard (H) or (HD) blister agent (distilled mustard).

  3. James Andrew Harris - Wikipedia

    en.wikipedia.org/wiki/James_Andrew_Harris

    James Andrew Harris (March 26, 1932 – December 12, 2000) was an American radiochemist who was involved in the discovery of elements 104 and 105 (rutherfordium and dubnium, respectively). Harris was the head of the Heavy Isotopes Production Group, part of the Nuclear Chemistry Division of the University of California, Berkeley .

  4. General chemistry - Wikipedia

    en.wikipedia.org/wiki/General_chemistry

    General chemistry (sometimes referred to as "gen chem") is offered by colleges and universities as an introductory level chemistry course usually taken by students during their first year. [1] The course is usually run with a concurrent lab section that gives students an opportunity to experience a laboratory environment and carry out ...

  5. Halostachine - Wikipedia

    en.wikipedia.org/wiki/Halostachine

    Halostachine (also known as N-methylphenylethanolamine) is a natural product, an alkaloid first isolated from the Asian shrub Halostachys caspica (synonym Halostachys belangeriana), and structurally a β-hydroxy-phenethylamine (a phenylethanolamine) related to its better-known "parent" biogenic amine, phenylethanolamine, to the adrenergic drug synephrine, and to the alkaloid ephedrine.

  6. Rutherfordium - Wikipedia

    en.wikipedia.org/wiki/Rutherfordium

    → 264−x 104 → 264−x 104Cl 4. The researchers considered the results to support the 0.3 second half-life. Although it is now known that there is no isotope of element 104 with such a half-life, the chemistry does fit that of element 104, as chloride volatility is much greater in group 4 than in group 3 (or the actinides). [54]

  7. VSEPR theory - Wikipedia

    en.wikipedia.org/wiki/VSEPR_theory

    The bond angle for water is 104.5°. Valence shell electron pair repulsion (VSEPR) theory (/ ˈ v ɛ s p ər, v ə ˈ s ɛ p ər / VESP-ər, [1]: 410 və-SEP-ər [2]) is a model used in chemistry to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms. [3]

  8. Hunter process - Wikipedia

    en.wikipedia.org/wiki/Hunter_process

    The Hunter process was the first industrial process to produce pure metallic titanium. It was invented in 1910 by Matthew A. Hunter, a chemist born in New Zealand who worked in the United States. [1] The process involves reducing titanium tetrachloride (TiCl 4) with sodium (Na) in a batch reactor with an inert atmosphere at a temperature of ...

  9. XM104 - Wikipedia

    en.wikipedia.org/wiki/XM104

    The XM104 was a U.S.-developed self-propelled amphibious/air-droppable/heliborne 105 mm howitzer. Pilot models of the howitzer were built by the U.S. Army Ordnance Tank Automotive Command's Experimental Division at the Detroit Tank Arsenal shops, Warren, Mich.