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2124803
Atmosphere: Air
Description
Mind Map on Atmosphere: Air, created by noelle loh on 25/02/2015.
No tags specified
o level
chemistry
air
atmosphere
a levels
Mind Map by
noelle loh
, updated more than 1 year ago
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Created by
noelle loh
about 9 years ago
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Resource summary
Atmosphere: Air
COMPOSITION
Nitrogen 78%
Oxygen 21%
Noble Gases <1%
Carbon Dioxide 0.03%
Carbon Cycle
Production of carbon dioxide
Respiration
Removal of carbon dioxide
Photosynthesis
ATMOSPHERIC POLLUTANTS
Carbon Monoxide
PRODUCED BY incomplete combustion of carbon-containing substances
CAUSES death. Very poisonous, that's why some people die in their cars.
REDUCED BY catalytic converters. (convert CO to CO2)
Sulfur Dioxide
PRODUCED BY volcanic eruptions & combustion of fossil fuels.
CAUSES acid rain & breathing difficulties.
REDUCED BY flue gas desulfurisation. (CaCO3 removes SO2)
Oxides of nitrogen (NO and NO2)
PRODUCED BY lightning activity & internal combustion engines.
CAUSES acid rain & lung damage.
REDUCED BY catalytic converters. (Convert NO and NO2 to N2 nitrogen)
Methane
PRODUCED BY bacterial decay of organic matter & human activities
CAUSES greenhouse effect & global warming (it's a greenhouse gas)
Unburnt Hydrocarbons
PRODUCED BY incomplete combustion of carbon-containing fuels.
CAUSES photochemical smog (don't we love this word) & formation of ozone.
REDUCED BY catalytic converters.
Ozone
PRODUCED BY photochemical reactions
CAUSES eye irritation & respiratory problems.
REDUCED BY reducing emissions of unburnt hydrocarbon fuels.
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