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Hydrogen sulfide is a chemical compound with the formula H 2 S.It is a colorless chalcogen-hydride gas, and is poisonous, corrosive, and flammable, with trace amounts in ambient atmosphere having a characteristic foul odor of rotten eggs. [11]
And the smell—bitter cinnamon, unmistakable." [12] Herbert writes repeatedly, starting in Dune (1965), that melange smells like cinnamon. [4] In Dune, Lady Jessica notes that her first taste of spice "tasted like cinnamon". [4] Dr. Yueh adds that the flavor is "never twice the same ... It's like life—it presents a different face each time ...
Sodium cyanide, like other soluble cyanide salts, is among the most rapidly acting of all known poisons. NaCN is a potent inhibitor of respiration, acting on mitochondrial cytochrome oxidase and hence blocking electron transport. This results in decreased oxidative metabolism and oxygen utilization.
Cyanide is a broad-spectrum poison because the reaction it inhibits is essential to aerobic metabolism; COX is found in many forms of life. [28] However, susceptibility to cyanide is far from uniform across affected species; for instance, plants have an alternative electron transfer pathway available that passes electrons directly from ...
Hydrogen cyanide is a linear molecule, with a triple bond between carbon and nitrogen.The tautomer of HCN is HNC, hydrogen isocyanide. [citation needed]HCN has a faint bitter almond-like odor that some people are unable to detect owing to a recessive genetic trait. [12]
It is a colorless salt, similar in appearance to sugar, that is highly soluble in water. Most KCN is used in gold mining, organic synthesis, and electroplating. Smaller applications include jewellery for chemical gilding and buffing. [4] Potassium cyanide is highly toxic, and a dose of 200 to 300 milligrams will kill nearly any human.
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In 2004, the inquest was reopened and, after a 64-day inquest hearing, the jury ruled that Maddison had been unlawfully killed by the "application of a nerve agent in a non-therapeutic experiment". [45] 1957: Regular production of sarin chemical weapons ceased in the United States, though existing stocks of bulk sarin were re-distilled until 1970.