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Unformatted text preview: BIS103-001 (Spring 2007) April 19, 2007 Midterm #1 Student Name _____________________________ Instructor: Oliver Fiehn Student ID #_______________________________ A-group 1 Please, check appropriate box below. Undergraduate student Open enrollment Completing incomplete Graduate student This exam consists of 35 questions. A maximum of 82 points can be earned. Partial credit will be given. There are a total of 13 pages, including the cover page and one blank sheet at the end for notes. If you need more space, use the back of pages. Write your name on top of each page! Multiple choice answers may be given negative credits if incorrectly answered. Avoid guessing! 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_____April 19, 2007___ Create PDF files without this message by purchasing novaPDF printer ( http://www.novapdf.com ) BIS103-001 (Spring 2007) April 19, 2007 Midterm #1 Student Name _____________________________ Instructor: Oliver Fiehn Student ID #_______________________________ A-group 2 Q1 2 points In a spontaneous reaction, Gibbs Free Energy changes are not determined by: A) the overall conversion of order to disorder. B) the temperature T and enthalpy H C) the activation energy barrier D) differences in redox potentials E) all of the above determine changes of Gibbs Free Energy Q2 2 points The term oxidation is chemically correctly identified by: A) a molecule is cleaved into two or more parts B) a molecule gains one or more oxygen atoms C) a molecule looses one or more hydrogen atoms D) a molecule looses one or more electrons E) all of the above is correct Q3 2 points For a reaction with H = 23 kJ/mol and S = 22 J/Kmol, at 2C, the Gibbs Free Energy change is: A) negative B) positive C) at equilibrium D) impossible to determine reactivity E) none of the above Create PDF files without this message by purchasing novaPDF printer ( http://www.novapdf.com ) BIS103-001...
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