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15 Cards in this Set
- Front
- Back
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air pollution
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any material added to the atmosphere that harms living organisms, affects the climate, or impacts structures
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primary air pollutants
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a harmful substance that is emitted directly into the atmosphere and remains unmodified
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secondary air pollutant
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a new compound formed when a 1○ pollutant reacts with substances normally found in the atmosphere of with other site pollutants
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nitrogen oxides
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produced when atmospheric nitrogen and oxygen react at high temperatures
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particulate matter
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different solid (dust) or liquids (mist) particles suspended in atmosphere
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hydrocarbons
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diverse group of organic compounds that contain only h and c
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sulfur dioxide
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produced by chemical reaction between sulfur and oxygen
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sulfur trioxide
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2º air pollutant derived from SO2
reacts with water to form sulfuric acid |
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tropospheric ozone
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man-made 2º pollutant in the lower atmosphere
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industrial smog
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smoke pollutant that is usually caused by SOx and particle matter
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photochemical smog
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Brown-orange haze formed when sunlight catalyzes chemicals reaction between NOx & HCs to form O3 and other pollutants
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sources of air pollution
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transportation 57%
fuel combustion 21% industrial process 12% miscellaneous 10% |
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natural sources of air pollution
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volcanoes lightning microbes forest fires
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thermal inversions
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instead of rising& circulating pollutants remain trapped near the earth's surface
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global distillation effect
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when chemicals evaporate from land and are transported to higher latitudes where they condense and fall
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