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Phosphorus pentoxide is a chemical compound with molecular formula P 4 O 10 (with its common name derived from its empirical formula, P 2 O 5). This white crystalline solid is the anhydride of phosphoric acid. It is a powerful desiccant and dehydrating agent.
Phosphorus pentoxide (phosphorus(V) oxide, phosphoric anhydride), P 2 O 5; Phosphorus trioxide (phosphorus(III) oxide, phosphorous anhydride), P 2 O 3; Phosphorus tetroxide, P 2 O 4; Several other, less common, oxides of phosphorus, including P 4 O 7, P 4 O 9, and P 2 O 6; Gases: Phosphorus monoxide, PO; Phosphorus dioxide, PO 2
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The compound can also be created in the gas phase by reacting nitrogen dioxide NO 2 or N 2 O 4 with ozone: [13] 2 NO 2 + O 3 → N 2 O 5 + O 2. However, the product catalyzes the rapid decomposition of ozone: [13] 2 O 3 + N 2 O 5 → 3 O 2 + N 2 O 5. Dinitrogen pentoxide is also formed when a mixture of oxygen and nitrogen is passed through an ...
Its chemical composition by weight is: silica (SiO 2) 43–47%, calcium oxide (CaO) 22.5–26.5%, phosphorus pentoxide (P 2 O 5) 5–7% and sodium oxide (Na 2 O) 22.5–26.5%. [ 2 ] Glasses are non-crystalline disordered solids that are commonly composed of silica-based materials with other minor additives.
Pentaoxidane is an inorganic compound of hydrogen and oxygen with the chemical formula H 2 O 5. [1] This is one of the most unstable hydrogen polyoxides . [ 2 ] [ 3 ] [ 4 ]
Arsenic pentoxide is the inorganic compound with the formula As 2 O 5. [2] This glassy, white, deliquescent solid is relatively unstable, consistent with the rarity of the As(V) oxidation state. More common, and far more important commercially, is arsenic(III) oxide (As 2 O 3 ).
This category has the following 3 subcategories, out of 3 total. ... Pages in category "Phosphorus(V) compounds" The following 20 pages are in this category, out of ...