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Nitric acid is an inorganic compound with the formula H N O 3. It is a highly corrosive mineral acid. [6] The compound is colorless, but samples tend to acquire a yellow cast over time due to decomposition into oxides of nitrogen. Most commercially available nitric acid has a concentration of 68% in water.
Red oil is defined as a substance of varying composition formed when an organic solution, typically tri-n-butyl phosphate (TBP, an agent used for extracting heavy metals in nuclear reprocessing plants) and its diluent, comes in contact with concentrated nitric acid at a temperature above 120 °C.
Upon mixing of concentrated hydrochloric acid and concentrated nitric acid, chemical reactions occur. These reactions result in the volatile products nitrosyl chloride and chlorine gas: HNO 3 + 3 HCl → NOCl + Cl 2 + 2 H 2 O. as evidenced by the fuming nature and characteristic yellow color of aqua regia.
Nital is a critical plot element in the Japanese manga series Dr. Stone, whose story revolves around the mysterious petrification of all mankind. Made from nitric acid that they produce from Bat Guano found in a cave, they produce nitric acid by using the Ostwald process (using Platinum as a catalyst and urine as an ingredient) and highly distilled alcohol with a ratio of 3:7.
Mixtures of ordinary nitric acid in sulfuric acid therefore contain substantial amounts of water and are unsuitable for processes such as those that occur in the manufacture of trinitrotoluene. The synthesis of RDX and certain other explosives does not require oleum. [10] Anhydrous nitric acid, referred to as white fuming nitric acid, can be ...
For example, copper is a rather unreactive metal, and has no reaction with concentrated hydrochloric acid. However, even dilute nitric acid can oxidize copper to Cu 2+ ions, with the nitrate ions acting as the effective oxidant: [1] 3 Cu + 8 HNO 3 → 3 Cu 2+ + 2 NO + 4 H 2 O + 6 NO − 3. Sometimes the concentration of the acid is a factor for ...
Indeed silver nitrate can be prepared by dissolving silver in nitric acid followed by evaporation of the solution. The stoichiometry of the reaction depends upon the concentration of nitric acid used. 3 Ag + 4 HNO 3 (cold and diluted) → 3 AgNO 3 + 2 H 2 O + NO Ag + 2 HNO 3 (hot and concentrated) → AgNO 3 + H 2 O + NO 2
Lead nitrate is produced by reaction of lead(II) oxide with concentrated nitric acid: [10] PbO + 2 HNO 3 (concentrated) → Pb(NO 3) 2 ↓ + H 2 O. It may also be obtained evaporation of the solution obtained by reacting metallic lead with dilute nitric acid. [11] Pb + 4 HNO 3 → Pb(NO 3) 2 + 2 NO 2 + 2 H 2 O
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