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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 ...
E. J. Bowen (1898–1980), English physical chemist; Humphry Bowen (1929–2001), English analytical chemist; Paul D. Boyer (1918–2018), American biochemist, 1997 Nobel Prize in Chemistry; Robert Boyer (1909–1989), American Chemist, employee of Henry Ford focus on soybean use; Robert Boyle (1627–1691), Irish-English pioneer of modern ...
The shield in the coat of arms of the Royal Society of Chemistry, with the seven planetary-metal symbols. The seven metals known since Classical times in Europe were associated with the seven classical planets; this figured heavily in alchemical symbolism.
Some chemists with relatively higher experience might change jobs or job position to become a manager of a chemistry-related enterprise, a supervisor, an entrepreneur or a chemistry consultant. Other chemists choose to combine their education and experience as a chemist with a distinct credential to provide different services (e.g., forensic ...
F 2 S 2 W: tungsten difluoride disulfide: 41831-81-6 F 2 Sc: scandium difluoride: 14017-34-6 F 2 Se: selenium difluoride: 70421-43-1 F 2 Si: difluorosilylene: 13966-66-0 F 2 Sn: tin difluoride: 7783-47-3 F 2 Sr: strontium fluoride: 7783-48-4 F 2 Th: thorium difluoride: 28844-11-3 F 2 Ti: titanium difluoride: 13814-20-5 F 2 Tl 2: dithallium ...
Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
F, for farad, a unit for electric capacitance; F or ℱ, the Faraday constant; f, focal length of a lens f-number (sometimes called f-ratio, f-stop, or written f/), the focal length divided by the aperture diameter, F, F, force; f, frequency; F (or A), Helmholtz Free Energy; F, the electromagnetic field tensor in electromagnetism
In a chemistry laboratory, a retort is a device used for distillation or dry distillation of substances. It consists of a spherical vessel with a long downward-pointing neck. The liquid to be distilled is placed in the vessel and heated.