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Powdered potassium sulfide anhydrous. Potassium sulfide is an inorganic compound with the formula K 2 S. The colourless solid is rarely encountered, because it reacts readily with water, a reaction that affords potassium hydrosulfide (KSH) and potassium hydroxide (KOH). Most commonly, the term potassium sulfide refers loosely to this mixture ...
[1] [2] [3] Introduced by Gilbert N. Lewis in his 1916 article The Atom and the Molecule, a Lewis structure can be drawn for any covalently bonded molecule, as well as coordination compounds. [4] Lewis structures extend the concept of the electron dot diagram by adding lines between atoms to represent shared pairs in a chemical bond.
Liver of sulfur is a loosely defined mixture of potassium sulfide, potassium polysulfide, potassium thiosulfate, and likely potassium bisulfide. Synonyms include hepar sulfuris, sulfur, sulfurated potash and sulfurated potassa. There are two distinct varieties: "potassic liver of sulfur" and "ammoniacal liver of sulfur". [1]
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Daten aus / data from van Rossen, G.L.C.M.; van Bleiswijk, H.: Über das Zustandsdiagramm der Kalium-Natriumlegierungen in Z. Anorg. Chem. 74 (1912) 152-156 Legende: Na - Schmelzpunkt von reinem Natrium, K - Schmelzpunkt von reinem Kalium, E - Eutektikum, P - Peritektikum, blaue Linie - Schmelzpunkt der eutektischen Mischung, schwarze Linie - inkongruente Schmelze der Verbindung Na 2 K, rote ...
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