Lec11_Acid_Rain

Lec11_Acid_Rain - Lecture 11: Acid Rain CHEM/ENVS 380,...

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Unformatted text preview: Lecture 11: Acid Rain CHEM/ENVS 380, March 16, 2010 Data from US Geological Survey: http://nadp.sws.uiuc.edu/site s/siteinfo.asp? net=NTN&id=OH71 Wayne Co. Ohio 1. What dissolved species might be found in unpolluted, natural rain? 2. Understand the definition of acid rain, and what causes acid rain. 3. What are some of the chemical and ecological impacts of acid rain once it hits the ground? 4. How is the acidity of rain changing in the USA? Globally? Acid Deposition Acid rain includes both wet and dry forms of deposition: Rain Fog Snow, hail Gases and particles ( Dry deposition ; 20-60 % of acid deposition; http://www.epa.gov/castnet/deposition.html ) Wet deposition (acid rain) Major Components of Rain Varies geographically. Several ions are of natural origin and are benign (Na + , K + , Ca 2+ , Mg 2+ ). Species that are sources of acidity are of environmental concern....
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This note was uploaded on 09/23/2011 for the course CHEM 380 taught by Professor Staff during the Spring '11 term at S.F. State.

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Lec11_Acid_Rain - Lecture 11: Acid Rain CHEM/ENVS 380,...

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