Chem Atmospheric Pollutants Summary

ozoneSOURCES OF ATMOSPHERIC POLLUTANTS NOSO2 CO NO2 O3 CH4 UH •Lightningactivities•Combustion of fuels in Internal Car Engines methanenitrogen dioxide nitrogen monoxidesulfur dioxidecarbon monoxideunburnt hydrocarbon •OxidationofNO •Volcanicactivity•Combustionofcoalin powerstations •Incomplete combustion of carbon-containing fuels •Carexhaust•Chemicalplants •Digestionoffoodincowsandsheep•Plantandanimalmatterdecay•Rubbishinlandfills •ReactionbetweenNO2andunburnthydrocarbonsinsunlight Pollutantsaresubstancesthatoccurnaturally.Humanactivitieshaveledtoanincreaseintheirconcentrationwhichupsetsthedelicatebalanceofnaturalcycles. S + O2 → SO2N2+ O2 → 2 NO 2 NO + O2 → 2 NO2