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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