acid anhydride
acid anhydride (ănhī´drīd, –drəd), chemical compound that reacts with water to form an acid (see acids and bases). Anhydrides of inorganic acids are usually oxides of nonmetallic elements. Carbon dioxide, CO2, is the anhydride of carbonic acid, H2CO3 . Nitrogen pentoxide, N2O5, is the anhydride of nitric acid, HNO3 . Phosphorus pentoxide, P2O5, is the anhydride of phosphoric acid, H3PO4 . Sulfur dioxide, SO2, is the anhydride of sulfurous acid, H2SO3 . Sulfur trioxide, SO3, is the anhydride of sulfuric acid, H2SO4 . Anhydrides of organic acids, like the acids themselves, contain the carbonyl group, CO. Organic anhydrides include acetic anhydride or ethanoic anhydride, (CH3C[symbol]O)2O, and benzoic anhydride, (C6H5C[symbol]O)2O.
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Aspartic Acid , aspartic acid (aspartate) (ă-spar-tik) n. see amino acid.
aspartic acid (aspartate) A non‐essential amino acid.
aspartic acid An aliphatic, acidic, p… Glutamic Acid , glutamic acid A non‐essential amino acid; it is acidic since it has two carboxylic acid groups; its amide is glutamine. See also monosodium glutamate… Carboxylic Acid , Carboxylic acids are chemical compounds that contain a carboxyl group , which is -COOH. The carboxyl group is attached to another hydrogen atom or to… Malic acid , malic acid (2-hydroxybutanedioic acid) A crystalline solid, HOOCCH(OH)CH2COOH. L-malic acid occurs in living organisms as an intermediate metabolite… Gastric Acid , acid, gastric The acid in the gastric secretion is hydrochloric acid; see also achlorhydria; gastric acidity.
gastric acid See gastric secretion. Lipoic Acid , lipoic acid Chemically, dithio‐octanoic acid, a coenzyme (together with vitamin B1) in the metabolism of pyruvate and in the citric acid cycle. Altho…
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acid anhydride