Chapter 12 Part 2

Chapter 12 Part 2 - Homework Chapter 12 part 2 to be posted...

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Homework Chapter 12 part 2 to be posted asap (part 1 was posted last week) Chapter 12 part 1 lecture notes posted last week, part 2 to be posted asap Quiz #4 results posted on WebCT Exam No. 3 – December 6th in class Exam Guide is on WebCT Final Exam - December 13th at 12:30 pm here Extra Credit #3 Syllabus gives due date as December 6th. Change: You may turn it in by e-mail only as late as Tuesday, December 11th 5:00 pm
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Photochemical Smog The components of smog react with sunlight to form an amber haze known as photochemical smog . foul odor • Contrast to industrial smog
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Development of air pollutants on a typical sunny summer day pollutant at ground level
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Solutions to Photochemical Smog Reducing the quantities of the pollutants entering the atmosphere is the ultimate answer to how to reduce photochemical smog. Improved design of gasoline storage and dispensing systems reduces the emissions of hydrocarbon VOCs. Automobile catalytic converters reduce hydrocarbon and carbon monoxide emissions from automobiles. • Oxidation catalysts Pt or Pd ( $$ ) used to convert CO and HCs to CO 2 and water • NO, on the other hand, must be reduced to N 2 and CO 2 . 2 NO(g) + 2 CO(g) N 2 (g) + 2 CO 2 (g) • This process employs Rh or Pd catalysts Hybrid vehicles (gasoline and electric) use less gasoline and create less NO x
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Acid Rain Acid rain is destructive to both the natural and man-made environment .
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Indoor Air Pollution Indoor air pollution is a major health concern. The EPA estimates that pollutant levels of indoor air ranges from 2-100 times higher than the levels of outdoor air! -especially problematic in developing countries
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This note was uploaded on 04/23/2009 for the course CHEMISTRY CH105 taught by Professor Armstrong during the Fall '07 term at BC.

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Chapter 12 Part 2 - Homework Chapter 12 part 2 to be posted...

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