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Potassium permanganate is an inorganic compound with the chemical formula KMnO 4.It is a purplish-black crystalline salt, which dissolves in water as K + and MnO − 4 ions to give an intensely pink to purple solution.
Potassium permanganate (KMnO 4) is a dark violet colored powder. Its reaction with glycerol (commonly known as glycerin or glycerine) (C 3 H 5 (OH) 3) is highly exothermic, resulting rapidly in a flame, along with the formation of carbon dioxide and water vapour:
This green color results from an intense absorption at 610 nm. In the laboratory, K 2 MnO 4 can be synthesized by heating a solution of KMnO 4 in concentrated KOH solution followed by cooling to give green crystals: [3] 4 KMnO 4 + 4 KOH → 4 K 2 MnO 4 + O 2 + 2 H 2 O. This reaction illustrates the relatively rare role of hydroxide as a ...
The following is a detailed list of results and scores from National Football League (NFL) games aired on Thursday Night Football.Starting with the 2006 NFL season, NFL Network was awarded the rights to air Thursday night games regularly (with some extra broadcasts on Saturday nights under the NFL Network Exclusive Game Series branding).
The following is a detailed list of results and scores from National Football League (NFL) games aired on NBC under the game package NBC Sunday Night Football. The list includes both regular season and post-season game results, both produced by NBC Sports , from the 2006 NFL season to the present.
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The demand for live televised football grew in the wake of England’s World Cup success, though the authorities remained reluctant. In April 1967, the Football League Management Committee rejected a £1m offer from BBC Television to show live League football on Thursday nights. They did, however, experiment with pay-per-view broadcasting.
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