carbonic acid

carbonic acid
H2CO3, formed from H2O and CO2.

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carbonic acid n a weak dibasic acid H2CO3 known only in solution that reacts with bases to form carbonates

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car·bon·ic ac·id (kahr-bonґik) the chemical species H2CO3, which exists in chemical equilibrium with dissolved carbon dioxide in water; its dissociated forms are the bicarbonate (HCO3) and carbonate (CO32−) ions. In the blood the predominant species are HCO3 and dissolved CO2 in approximately a 20:1 ratio. The conversion of CO2 to H2CO3 is catalyzed by the enzyme carbonate dehydratase.

Medical dictionary. 2011.

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  • Carbonic acid — Carbonic Car*bon ic, a. [Cf. F. carbonique. See {Carbon}.] (Chem.) Of, pertaining to, or obtained from, carbon; as, carbonic oxide. [1913 Webster] {Carbonic acid} (Chem.), an acid {HO.CO.OH}, not existing separately, which, combined with positive …   The Collaborative International Dictionary of English

  • carbonic acid — ► NOUN ▪ a very weak acid formed when carbon dioxide dissolves in water …   English terms dictionary

  • carbonic acid — n. a weak, colorless acid, H2CO3, formed by the solution of carbon dioxide in water and existing only in solution …   English World dictionary

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  • carbonic acid dissolution —    Dissolution of calcium carbonate by carbon dioxide in aqueous solution, loosely termed carbonic acid, is the dominant reaction in karst processes, including speleogenesis. The reaction can be considered in several ways but it is most simply… …   Lexicon of Cave and Karst Terminology

  • carbonic acid gas — angliarūgštė statusas T sritis chemija apibrėžtis Buitinis anglies dioksido pavadinimas. atitikmenys: angl. carbonic acid gas rus. углекислота …   Chemijos terminų aiškinamasis žodynas

  • carbonic acid — noun a weak acid known only in solution; formed when carbon dioxide combines with water • Derivationally related forms: ↑carbonate • Hypernyms: ↑acid …   Useful english dictionary

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