21.corrosive.raindrops

21.corrosive.raindrops - Corrosive Raindrops Introduction...

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Unformatted text preview: Corrosive Raindrops Introduction Natural Acid Rain Sulfur, Nitrogen Acids Geography of Acid Rain Remediation Conclusions Acids A Brief Review Acids are substances that donate an H + . Their formulas generally begin with H: HCl, H 2 SO 4 , etc. They have a sour taste and turn litmus paper red. Both strong and weak acids are found in the environment. Acidity measured as pH = -log [H + ]. Bases A Brief Review Bases are substances that accept an H + or donate OH. Their formulas generally end with OH: NaOH, KOH, etc. They have a bitter taste and turn litmus paper blue. They have a slippery feel, and dissolve tissue. History of Acid Rain Effects observed in Europe and America since the 1700s. Rainwater pH often as low as 4, occasionally down to 2. Recent pH Measurements in the US Three Acids Mainly Contribute to Acid Rain Carbonic acid from carbon dioxide (CO 2 )....
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This note was uploaded on 02/01/2010 for the course ETX etx10 taught by Professor Rontjeerderma during the Fall '09 term at UC Davis.

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21.corrosive.raindrops - Corrosive Raindrops Introduction...

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