exam_ii_s08_key

exam_ii_s08_key - Name_ Student ID Number_ Lab TA Name and...

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Name______________________________________ Student ID Number___________________________ Lab TA Name and Time_______________________ Dr. Bryan Enderle Spring 2008 CHEMISTRY 2C (Section C) Exam II Instructions: CLOSED BOOK EXAM ! No books, notes, or additional scrap paper are permitted. All information required is contained on the exam. Place all work in the space provided. If you require additional space, use the back of the exam. (1) Read each question carefully. (2) There is no partial credit for the problems in Part I and Part II. (3) The last page contains a periodic table and some useful information. You may remove this for easy access. (4) If you finish early, RECHECK YOUR ANSWERS! U.C. Davis is an Honor Institution Possible Points Points 1–11. 33 points 12–13. 22 points 14–15. 23 points 16–17. 16 points 18. 15 points Total Score (109) Multiple Choice (circle one) 1. a b c d e 2. a b c d e 3. a b c d e 4. a b c d e 5. a b c d e 6. a b c d e 7. a b c d e 8. a b c d e 9. a b c d e 10. a b c d e 11. a b c d e
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Exam II Page 2 of 9 Part I: Multiple Choice, Concepts Circle the correct answer and enter your response on the cover – -o partial credit 1. Which of the following will not increase the rate of reaction? A. increasing temperature B. adding the appropriate catalyst C. increasing activation energy D. increasing the rate constant E. increasing collision frequency 2. Because of the inert pair effect, which two elements could have the same charge? A. Tl and Ge B. Ga and Te C. Po and Sn D. In and At E. None of the Above 3. For a zero order reaction, the rate is ___________ with respect to time when reactant is present and __________ with respect to time after the reactant is consumed. A. linear with a negative slope / unchanged B. linear with a positive slope / unchanged C. linear with a negative slope / zero D. constant / zero E. exponential / approaching zero 4. What is the rate constant for the overall reaction in terms of k 1 , k 1 ’, and k 2 ? (1) NO + O
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exam_ii_s08_key - Name_ Student ID Number_ Lab TA Name and...

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