- anhydrous reaction
- • реакция в безводни условия
English-Bulgarian polytechnical dictionary . 2013.
anhydrous reaction
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Anhydrous — As a general term, a substance is said to be anhydrous if it contains no water. The way of achieving the anhydrous form differs from one substance to another.olventsIn many cases, the presence of water can prevent a reaction from happening, or… … Wikipedia
anhydrous steam — Steam Steam (st[=e]m), n. [OE. stem, steem, vapor, flame, AS. ste[ a]m vapor, smoke, odor; akin to D. stoom steam, perhaps originally, a pillar, or something rising like a pillar; cf. Gr. sty ein to erect, sty^los a pillar, and E. stand.] 1. The… … The Collaborative International Dictionary of English
Reaction Motors XLR99 — The XLR99 engine was the first large, throttleable, restartable liquid propellant rocket engine. It was developed beginning in the 1950s by the Reaction Motors Division of Thiokol Chemical Company to steer the X 15 research aircraft. It could… … Wikipedia
acid–base reaction — ▪ chemistry Introduction a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… … Universalium
Wurtz reaction — The Wurtz reaction, named after Charles Adolphe Wurtz, is a coupling reaction in organic chemistry, organometallic chemistry and recently inorganic main group polymers, whereby two alkyl halides are reacted with sodium to form a new carbon carbon … Wikipedia
friedel-crafts reaction — frē|d]elˈkraf(t)s , |freˌd] noun Usage: usually capitalized F&C Etymology: after Charles Friedel died 1899 French chemist & James M. Crafts died 1917 American chemist : a synthetic reaction in organic chemistry in which anhydrous aluminum… … Useful english dictionary
Friedel-Crafts reaction — The Friedel Crafts reactions are a set of reactions developed by Charles Friedel and James Crafts in 1877. [Friedel, C.; Crafts, J. M. Compt. Rend. 1877, 84 , [http://gallica.bnf.fr/ark:/12148/bpt6k30410/f1386.table 1392]… … Wikipedia
Friedel–Crafts reaction — The Friedel–Crafts reactions are a set of reactions developed by Charles Friedel and James Crafts in 1877.[1] There are two main types of Friedel–Crafts reactions: alkylation reactions and acylation reactions. This reaction type is a form of… … Wikipedia
Grignard reaction — The Grignard reaction, named for the French chemist François Auguste Victor Grignard, is an organometallic chemical reaction in which alkyl or aryl magnesium halides (Grignard reagents), which act as nucleophiles, attack electrophilic carbon… … Wikipedia
Exothermic reaction — An exothermic reaction is a chemical reaction that releases heat. It is the opposite of an endothermic reaction. Expressed in a chemical equation::reactants → products + energyOverviewAn exothermic reaction is a chemical reaction accompanied by… … Wikipedia
Friedel-Crafts reaction — /free del krafts , krahfts / a reaction for the synthesis of hydrocarbons and ketones by the alkylation or acylation of an aromatic compound in the presence of a catalyst, typically anhydrous aluminum chloride. [1895 1900; after French chemist… … Universalium
