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EnglishTHE SCHOLAR'S LEXICON

pentoxide

/pen-tok-sahyd/US // pɛnˈtɒk saɪd //UK // (pɛntˈɒksaɪd) //

五氧化二氮,五氧化二磷,五氧化物,五氧化二钒

Definitions

n.名词 noun
  1. 1

    Chemistry.

    • : an oxide containing five atoms of oxygen, as phosphorus pentoxide, P2O5.

Examples

  • The selenide was collected and dried in an atmosphere of nitrogen, and then in a vacuum, in presence of phosphorus pentoxide.

  • The nitrates are an important class of salts, and may be looked on as compounds of the bases with nitric pentoxide (N2O5).

  • Maleic anhydride is obtained by distilling fumaric acid with phosphorus pentoxide.

  • When heated with phosphorus pentoxide it yields acetone, water and some pseudo-cumene.

  • The phosphorus combines with the oxygen to form an oxide of phosphorus, known as phosphorus pentoxide.

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