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Unformatted text preview: BIS103-001 (Winter 2010) January 26, 2010 Midterm #1 Student Name _____________________________ Instructor: Oliver Fiehn Student ID #_______________________________ 1 Please, check appropriate box below. Undergraduate student Open enrollment Completing incomplete Graduate student This exam consists of 45 questions. A maximum of 100 points can be earned. Partial credit will be given. There are a total of 15 pages, including the cover page. If you need more space, use the back of pages. Petitions for regarding will be considered only if you have used permanent ink, unless an addition error has occurred. IT IS YOUR RESPONSIBILITY TO WRITE LEGIBLE! No extra effort will be made to decipher your handwriting. T = 25 C (298 K) T = 37 C (310 K) R = 8.315 J mol-1 K-1 F = 96.5 kJ mol-1 V-1 n = moles of electrons G = G o + RTln[Prod.]/[React.] G= H-T S G= -RT lnK eq G o = nF E o E o = E o Oxidant E o Reductant I,_______________________________________, authorize the University to distribute publicly this graded exam (e.g., handed out in class or left in a bin for pick up). I am aware of the fact that violations of the Academic Code of Conduct 1 may be reported to UC Davis Student Judicial Affairs. 1 Examples of academic misconduct include: receiving or providing unauthorized assistance on examinations, using unauthorized materials during an examination, altering an exam and submitting it for re-grading, or using false excuses to obtain extensions of time ( http://sja.ucdavis.edu/cac.htm ). Signature________________________________________ Date_____January 26, 2010___ A-Group Create PDF files without this message by purchasing novaPDF printer ( http://www.novapdf.com ) BIS103-001 (Winter 2010) January 26, 2010 Midterm #1 Student Name _____________________________ Instructor: Oliver Fiehn Student ID #_______________________________ 2 Q01 2 points Which of the following statements is false: a. At larger differences in G , higher ratios of products to substrates are formed. b. Highly exergonic reactions can proceed spontaneously. c. Exergonic reactions can drive endergonic reactions via coupling mechanisms. d. There is no significant relationship between G and Keq. e. The second law of thermodynamic states that entropy is always increasing. Q02 2 points For the reaction A B, the Keq is 10 4 . If a reaction mixture originally contains 1 mmol of A and no B, which one of the following must be true? a. The reaction is very slow. b. At equilibrium, there will be far more B than A. c. The reaction requires coupling to an exergonic reaction in order to proceed. d. The reaction will proceed toward B at a very high rate....
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