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It is far less reactive than the other nitrogen trihalides nitrogen trichloride, nitrogen tribromide, and nitrogen triiodide, all of which are explosive. Alone among the nitrogen trihalides it has a negative enthalpy of formation. It is prepared in modern times both by direct reaction of ammonia and fluorine and by a variation of Ruff's method. [6]
Trifluoramine oxide was first discovered in 1966 independently by two different groups. One way to produce it was by an electric discharge in a mixture of oxygen on nitrogen trifluoride. Another even less yielding method is by reacting noble metal fluorides (IrF 6 or PtF 6) with nitric oxide. [1]
Atmospheric concentration of SF 6, NF 3, and several widely used HFCs and PFCs between years 1978 and 2015 (right graph).Note the logarithmic scale. The most common F-gases are hydrofluorocarbons (HFCs), which contain hydrogen, fluorine, and carbon.
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About 40% of human-caused emissions are from agriculture, [11] [12] as nitrogen fertilisers are digested into nitrous oxide by soil micro-organisms. [13] As the third most important greenhouse gas, nitrous oxide substantially contributes to global warming. [14] [15] Reduction of emissions is an important goal in the politics of climate change. [16]
Nitrous oxide is more soluble than oxygen and nitrogen, so will tend to diffuse into any air spaces within the body. This makes it dangerous to use in patients with pneumothorax or those who have recently been scuba diving , and there are cautions over its use with any bowel obstruction.
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The bacteria on the skin breaks down those lipids in the oilier, thicker sweat to produce body odor. But for those with the mutation, the protein doesn’t function that way. “That transporter ...