MARS 1010 Marine Chemistry - MARS 1010: Marine...

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Unformatted text preview: MARS 1010: Marine Chemistry29/10/2007 09:48:00 H20: The Universal Solvent Recall the polar nature of water. Ionic bonds are easil broken in water because of the polar nature of water, polar water molecules surround individual ions to dissolve them. o The ocean is full of stuff that dissolved in water Neutral pure water is o [H+] is 1 in 10 million or 10^-7 o [OH-] is 1 in 10 million or 10^-7 Brackets mean concentration o PH is log10[H+] o If [H+] = 10^-7 then pH is 7 or neutral. If greater than (e.g. 10^-5) then it would be pH 5 or acidic. If less than neutral (e.g. 10^-9) then it would be pH 9 or basic. Carbonate Buffer System: o Bicarbonate (HC03-) changes forms in response to [H+] changes so that the ocean pH is very stable o Changes in atmospheric CO2, however will change ocean pH. o This buffer prevents large or sudden changes in ocean pH. Seawater is a complex mixture of just about every known element....
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This note was uploaded on 03/20/2008 for the course MARS 1010L taught by Professor Jager during the Fall '07 term at University of Georgia Athens.

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MARS 1010 Marine Chemistry - MARS 1010: Marine...

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