Photochemical Smog Help~ Ha.. You guys deserve it…
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Transcript of Photochemical Smog Help~ Ha.. You guys deserve it…
Photochemical Smog
Help~ Help~
Ha..You guys deserve it…
‘Smog’ is made up of two words, what are they?
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small + f og smell + mog smoke + f og stupid + monk
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Smog The word ‘smog’ comes from two words:
smoke and fog. Characterize visible combination of smoke
and fog
Photochemical smog is a mixture of pollutants, what are they?
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nitrogen
dioxide
benzene ozone aldehyde unreacted
carbon
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Composition Nitrogen oxides Ozone Aldehydes Unreacted carbon Particular matter Peroxyaceyl nitrate (PAN)
Temperature Inversion
Formation
What colour is photochemical smog?
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brown grey blue green
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Colour Nitrogen dioxide is responsible for the bro
wnish colour of the haze. The particulates formed and the brown col
our of nitrogen dioxide give the air a dirty, ‘smoggy’ appearance.
What are the disadvantages of having photochemical smog?
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a b c d e
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a. headaches b. eye, nose and throat irritation c. impaired lung function
d. coughing and wheeling e. damaging plants
Effects Effects on human health
Headaches Eyes, nose and throat irritations Impaired lung function Coughing and wheezing
Damage to materials Ozones causes rubber to deteriorate
Effects on the atmosphere Reduce visibility
Toxicity to plants