Gas Introduction
Ammonia is an inorganic compound with the chemical formula NH3 and a molecular weight of 17.031. Under standard conditions, it has a density of 0.771g/L and a relative density of 0.5971 (air=1.00). It is a colorless gas with a strong pungent odor. Ammonia can turn moist red litmus paper blue and produce a small amount of hydroxide ions in water, which is weakly alkaline. It can be liquefied under pressure at room temperature (critical temperature 132.4 ℃, critical pressure 11.2 megapascals, or 112.2 atmospheres), boiling point -33.5 ℃, and is also easily solidified into a snow like solid with a melting point of -77.75 ℃. It is soluble in water, ethanol, and ether. Swiss best UK imposter rolex watches are of high quality. Wish you find your perfect fake Rolex watches here. Would you like to buy cheap replica watches UK? This website can offer help. What kinds of online UK tag heuer fake watches are worth having? Perfect fake Tag Heuer watches with cheap price and high quality. At high temperatures, it will decompose into nitrogen and hydrogen, which have a reducing effect. When a catalyst is present, ammonia can be oxidized to nitric oxide. Ammonia is commonly used in the production of liquid nitrogen, ammonia water, nitric acid, ammonium salts, and amines. Ammonia can be directly synthesized from nitrogen and hydrogen, and can burn the skin, eyes, and mucous membranes of respiratory organs. Inhaling too much can cause lung swelling and even death.

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