What are the origins and environmental implications of pollutants in car exhaust gases?. By Oscar Miles. Unburned Hydrocarbons. Origin Product from in complete combustion and evaporation Environmental Effects Cancer Asthma Smog Chemical Equations:
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By Oscar Miles
Chemical Equation: O2 + 2 C → 2 CO
Chemical Equation: 2O2 + 2 C → 2 C2O
Origin: combustion of nitrogen in air.
N2 + O2→ 2NO 2NO + O2→2NO2
- Forms when sulphur combusts in air
S + O2→SO2
2SO2 + O2→2SO3