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单词 acid anhydride
释义

acid anhydride


acid anhydride

n (Elements & Compounds) another name for anhydride3

acid anhydride


acid anhydride

(ănhī`drīd, –drəd), chemical compound that reacts with water to form an acid (see acids and basesacids and bases,
two related classes of chemicals; the members of each class have a number of common properties when dissolved in a solvent, usually water. Properties
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). 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=O)2O, and benzoic anhydride, (C6H5C=O)2O.

acid anhydride

[′as·əd ‚an′hīd‚rīd] (chemistry) An acid with one or more molecules of water removed; for example, SO3 is the acid anhydride of H2SO4, sulfuric acid.

Acid Anhydride


Acid Anhydride

An organic compound with two acyl groups sharing the same oxygen.
Example Oxide of an organic compound, which reacts with water to form an acid.
ThesaurusSeeanhydride
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