Chem 45 Biochemistry: Stoker chapter 24 Carbohydrate Metabolism
CHEM 304 - 2/ 24/12
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Transcript of CHEM 304 - 2/ 24/12
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CHEM 304 - 2/24/12I.C. Stratospheric Chemistry: • The Antarctic Ozone Hole:
- Observations- Non-chemical factors - “The Set-up”- Chemical Processes - “The Action”- Some links and animations
FINISH READING CH 2 HW#5 out Web update today
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(What the ___ is this ?)http://www.youtube.com/watch?v=LSuNPbT-uvo&NR=1
(2000 O3 hole animation)http://svs.gsfc.nasa.gov/vis/a000000/a001100/a001167/a001167.mpg
(A history lesson)http://ozonewatch.gsfc.nasa.gov/facts/history.html
(A good image of the O3 hole and a PSC)http://ozonewatch.gsfc.nasa.gov/facts/hole.html
Ozone Hole links & animations … for starters
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How do we measure Ozone?
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Data from Farman’s “Dobson” Measurements
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Polar Stratospheric Clouds
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The polar Vortex ..
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Priming the Chemistry…
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Cl2 is a very “shallow” reservoir … why ?
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<— Anomalous Hi ClOx
Onset of “Dimer” Chemistry —>
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At some altitudes there is excess ClOx - the Ozone has been “titrated” out of the sky !
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More Ozone Hole links & animations …
(2000 O3 hole animation)http://svs.gsfc.nasa.gov/vis/a000000/a001100/a001167/a001167.mpg(1997 O3 hole animation)http://jwocky.gsfc.nasa.gov/multi/epanim97.html(Annual Changes) http://www.youtube.com/watch?v=taTzqRHNIEc (A short NASA Video info …)http://www.youtube.com/watch?v=qUfVMogIdr8&NR=1(Arctic O3 Hole ?) http://svs.gsfc.nasa.gov/vis/a000000/a001000/a001087/ (Other Links )http://ozonewatch.gsfc.nasa.gov/facts/hole.htmlhttp://ozonewatch.gsfc.nasa.gov/multimedia/index.html (Mucho multimedia !)