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Unformatted text preview: Acid rain- industry SO x , NO x , SO 3 +H 2 O H 2 SO 4 , NO 2 +H 2 O HNO 3 Photochemical oxidants Ozone- O 2 +sunlight PAN- from sunlight, hydrocarbons, nitrogen oxides (motor vehicles and sunlight) Smog- smoke + fog o London smog- sulfur oxides particulates; carbon monoxides in cool, humid air; made from coal fires London smog Similar to pittsburg or donora, penn. o Los Angeles smog- photochemical smog; nitrogen oxides, carbon monoxides, CH x , and sunlight to make oxidizing agents (cars + sunlight) If wind scatters pollution, the local effect is not bad, but if a temperature (atmosphere) inversion occurs, the pollution collects and is dangerous (figure 12.4)...
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- Spring '08
- Noble Gases