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Liquid ammonia has a very high standard enthalpy change of vapourization (23.5 kJ/mol; [28] for comparison, water's is 40.65 kJ/mol, methane 8.19 kJ/mol and phosphine 14.6 kJ/mol) and can be transported in pressurized or refrigerated vessels; however, at standard temperature and pressure liquid anhydrous ammonia will vaporize.
The table above gives properties of the vapor–liquid equilibrium of anhydrous ammonia at various temperatures. The second column is vapor pressure in k Pa . The third column is the density of the liquid phase.
Ammonia solution, also known as ammonia water, ammonium hydroxide, ammoniacal liquor, ammonia liquor, aqua ammonia, aqueous ammonia, or (inaccurately) ammonia, is a solution of ammonia in water. It can be denoted by the symbols NH 3 (aq). Although the name ammonium hydroxide suggests a salt with the composition [NH + 4][OH −
A tanker carrying anhydrous ammonia, a poisonous gas, overturned and began leaking on Friday night in Illinois, killing five
Its products include anhydrous ammonia, sulfur, sulfuric acid, finished fertilizers, petroleum coke, and nitric acid. [3] The company was established by Ronald Stanton in 1965, [4] and is currently headquartered in New York City. [2] [5] The company has offices in Europe, Asia, North America, South America, Middle East, and South Africa. [6]
A father and his two young children were among five killed in a multi-vehicle crash in Illinois involving a semi-truck transporting potentially toxic anhydrous ammonia, police said.
Ammonium bicarbonate decomposes above about 36 °C into ammonia, carbon dioxide, and water in an endothermic process and so causes a drop in the temperature of the water: NH 4 HCO 3 → NH 3 + H 2 O + CO 2. When treated with acids, ammonium salts are also produced: NH 4 HCO 3 + HCl → NH 4 Cl + CO 2 + H 2 O. Reaction with base produces ammonia.
A tanker carrying anhydrous ammonia, a poisonous gas, overturned and began leaking on Friday night in Illinois, killing five
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