Sunday, November 29, 2015

Does nitrogen react with oxygen or petrol in car engines to form oxides of nitrogen?

Nitrogen reacts with oxygen to form nitrogen monoxide. Nitrogen monoxide is also sometimes called nitric oxide. The balanced reaction between nitrogen and oxygen is:


  `~N_2 + ~O_2 -gt ~2NO`


Nitrogen and oxygen are both diatomic elements. This means that they exist in nature as two atoms bonded together. `~N_2` , `~O_2` , and NO are all covalently bonded molecules and are gases at room temperature.


An oxide is a two-element compound with oxygen being one of the compounds. Other examples of oxides include: nitrous oxide (`~N_2O` ), carbon dioxide (`~CO_2` ), and calcium oxide (CaO).


Petrol is composed of hydrocarbons. A hydrocarbon is a compound composed of hydrogen and carbon atoms. The hydrocarbons in gasoline contain between 5 and 12 carbon atoms. Examples of other hydrocarbons include: methane (`~CH_4` ) and ethane (`~C_2H_6` ).

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