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Unformatted text preview: “fog up”. But, on walking further outside, eyeglasses “defog” without being wiped. Explain these phenomena using considerations of VP , P and “relative humidity” in what you say. (10) 3. If potassium manganate (K 2 MnO 4 ) is dissolved in an HAc/NaAc buffer soln, the highly reactive man-ganate ion readily disproportionates into permanganate ion and semi-soluble manganese dioxide. For this system write the correct ½-rxns and the net redox rxn. Also explain what change in pH happens as this redox rxn proceeds. (8) 4. In a suitable text or reference book look up the common amino acid proline and draw its complete, correct LS. Then “parcel” e ! ’s to determine the correct oxidation number for each component atom (5) of proline other than H. Show work on the back of this Bonus Quiz....
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This note was uploaded on 01/26/2009 for the course CHM 2045 taught by Professor Mitchell during the Fall '07 term at University of Florida.
- Fall '07