Chem 3B Su07 Final Exam KEY - Name Signature PRINT YOUR...

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Name: _____________________________________________ SID: _______________________________ Signature: __________________________________________ 3BL GSI Name: ______________________ Lecture Only: ________________________ Completing an I Grade: ________________ PRINT YOUR NAME CLEARLY!! Chem 3B Su07 Final Exam 16AUG07 Neil O.L. Viernes This exam has 18 pages; make sure you have them all. Page 15 is blank. Use as scratch paper, anything written on it will NOT be graded. Pages 16-18 are tables to assist you with the exam. Please place answers in designated spaces. Please write clearly. Messy or ambiguous answers will not be graded. This exam runs 115 minutes. No clarifying questions will be answered by the GSI’s after the exam begins. Do not write in this box 1) ________________________ (12) 11) _________________(16) 2) ________________________ (10) 12) _________________(16) 3) ________________________ (12) 13) _________________(9) 4) ________________________ (12) 5) ________________________ (21) 6) ________________________ (15) 7) ________________________ (15) 8) ________________________ (18) 9) ________________________ (36) 10) _______________________ (28) Total: _____________ (220) © 2007 N.O.L. Viernes, Berkeley, all rights reserved
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2 1) (12 pts) Provide nomenclature or structures for the following: H O O Br CO 2 H NO 2 H 3 CO O O 3,5-Dimethylstyrene Malonic Acid Diisopropyl ethylamine
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3 2) (10 pts) Draw the epimer of D-(-)-Gulose where the sugar is converted to an L-Sugar CHO H OH H OH HO H H OH CH 2 OH D-(-)-Gulose What is the name of the L-Sugar Determine the charge of the following peptide at differing pH and calculate the pI (don’t need to calculate the number, just show the math).
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