8BFall08Final

8BFall08Final - Chemistry 8 B Fall 2008 Final Wed. December...

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1 Chemistry 8 B Fall 2008 Final Wed. December 10 th , 2007 Instructor: Lievens This exam contains thirteen (13) pages and thirteen (13) problems. Please make sure that your copy contains all thirteen (13) pages. If there is a problem, please tell the exam administrator prior to beginning. Please answer all questions. Remember that UCDavis Code of Academic Conduct applies to this exam and all other graded work in this class. Name: ________________________________________________________________ Last First MI Student ID. # __________________________________________________________ T.A./ Lab Section: ______________________________________________________ Page # Points Page # Points 2 8 3 9 4 10 5 11 6 12 7 Total (240)
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2 1. Vocabulary: Fill in the blank or circle the correct word in bold. (34 pts) A) An allyl cation is stabilized by __________________. B) The presence of an amine (NH 2 ) group on a benzene ring during electrophilic aromatic substitution makes the ring electron rich / electron poor and _______________ the rate of reaction. C) For 2-propanone the carbonyl / geminal diol form is more stable in the presence of water. D) An OH substituant acts as an ortho/para director in electrophilic aromatic substitution and how many possible resonance structures in the intermediate? _______How many are “bad” structures?______ E) The ___________________________ is a reaction where an aldehyde can be both a nucleophile and an electrophile and react with itself. It does / does not work with two ketones. F) ___________________ is general name for a carbohydrate with three carbons. G) ____________________ is a polysaccaride that serves a structural molecule for plants, which is made of many alpha / beta acetals of glucose. Humans can / cannot digest it. H) A ____________________ is a lipid made up of one fatty acid, a sphingosine, a phosphate, and an alcohol residue, it is usually found in ____________ tissue. I) A _______________________ contains between 2 and 50 amino acids. J) ___________________ and ______________________ are two forms of secondary structure in proteins, they are held together by _________________. K) Humans contain amino acids with the amine in the __________ position and an ________ chiral center. L)
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This note was uploaded on 11/13/2010 for the course CHE CHE 8B taught by Professor Lievens during the Spring '10 term at UC Davis.

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8BFall08Final - Chemistry 8 B Fall 2008 Final Wed. December...

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