英语词汇“phosphorus pentoxide”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	phosphorus pentoxide
释义	phosphorus pentoxide noun : a compound known in various polymeric forms (P₂O₅)_x (as the dimer P₄O₁₀ in the vapor and one crystalline modification) that is obtained usually by burning phosphorus in an excess of dry air and occurs as a white powder that reacts vigorously and sometimes explosively with water to form phosphoric acids irritating to the skin and mucous membranes, and is used chiefly as a drying agent, as a condensing agent in organic synthesis, and in making phosphoric acids and derivatives; di-phosphorus pentoxide — called also phosphoric anhydride
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