Coursework.Info - Inspiration in an Instant

On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:

Open book: 2003 Photochemical smog's comprise of primary and secondary pollutants. Primary pollutants are released directly into the atmosphere, through combustion of fuels in car engines and power stations. The main primary pollutants produced because of motor vehicle combustion are; Nitrogen oxides, carbon monoxide and various hydrocarbons. Secondary pollutants are produced by a further chemical reactions taking place with primary pollutants. Secondary pollutants comprise of O3, NO2, H2O2, HNO3, partially oxidised VOC's and PAN peroxyacetyl nitrate. (Illustrated below in figure 1.1) Formation of the ozone (secondary pollutant) summarised in figure 1.2 Coal is a fossil fuel (made from the decomposition of living material). All living organisms contain sulphur and therefore when coal burns, the sulphur compounds are oxidised to form sulphur oxides. Organisms store nitrogen as protein and therefore it is present in the coal, therefore when coal is burnt the nitrogen compounds are oxidised to form NOx. Also because of the high...

Get instant access

• Instant, unlimited access to our documents in full
• Swap your work for free access, or pay £4.99
• To see the full version of this document and 149,979 others