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Nitrogen is generally unreactive at standard temperature and pressure. N2 reacts spontaneously with few reagents, being resilient to acids and bases as well as oxidants and most reductants. When nitrogen reacts spontaneously with a reagent, the net transformation is often called nitrogen fixation.

Nitrogen reacts with elemental lithium at Lithium burns in an atmosphere of N2 to give lithium nitrid: 6 Li + N2 → 2 Li3N

Magnesium also burns in nitrogen, forming magniesium nitride. 3 Mg + N2 → Mg3N2

N2 forms a variety of oadducts with transition metals. The first example of a dintrogen complex is Ru(NH3)5(N2)2. Such compounds are now numerous, other examples include IrCl(N2)(PPh3)2, W(N2)2(Ph2CH2CH2PPh2)2, and [(η5-C5Me4H)2Zr]2(μ2,η²,η²-N2). These complexes illustrate how N2 might bind to the metal in nitrogenase and the catalyst for the Haber process. A catalytic process to reduce N2 to ammonia with the use of a molybdenum complex in the presence of a proton source was published in 2005.

The starting point for industrial production of nitrogen compounds is the Haber process, in which nitrogen is fixed by reacting N2 and H2 over an iron(III) oxide (Fe3O4) catalyst at about 500 °C and 200 atmospheres pressure. Biological nitrogen fixation in free-living cyanobacteria and in the root nodules of plants also produces ammonia from molecular nitrogen. The reaction, which is the source of the bulk of nitrogen in the biosphere, is catalysed by the nitrogenase enzyme complex which contains Fe and Mo atoms, using energy derived from hydrolysis of adenosine triphosphate (ATP) into adenosine diphosphate and inorganic phosphate (−20.5 kJ/mol).

Hope it helped Bruce

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12y ago
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13y ago

Fire is an oxidation reaction, so it requires oxygen.

If you started a fire and then replaced all the air around it with pure nitrogen, the fire would go out.

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7y ago

Yes

For example: Lots of smog is the result of nitrogen reacting with oxygen to form nitrogen-oxygen compounds referred to collectively as NOx

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8y ago

Elementally, it reacts most commonly with hydrogen and oxygen. But in the forms of ammonia or nitrates, it will react with most elements.

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Q: How does nitrogen reacts with fire?
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