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final 4 - Name Final Exam(Page 1 of 14 Last Name First Name...

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Last Name _____________________________ First Name _________________ Lab Sec. # ____; TA : _________________________; Lab day/time : ___________ Andreas Toupadakis, Ph.D. Fall 2006 CHEMISTRY 2C Section A FINAL EXAM 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. A scientific calculator may be used (if it is a programmable calculator, its memory must be cleared before the exam). This exam has 14 pages total. (1) Read each question carefully. (2) For Part I and Part II there is not partial credit. There is partial credit for part III. (3) The last three pages contain a periodic table and some useful information. You may remove them for easy access. (4) If you finish early, RECHECK YOUR ANSWERS! U.C. Davis is an Honor Institution Possible Points Earned Points # 1–18 (2 points each) / 36 # 19-22 (6 points each) / 24 # 23-28 (41 points total) / 41 # 29-30 (17 points each) / 34 Total Score (135) / 135 or % 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 12. a b c d e 13. a b c d e 14. a b c d e 15. a b c d e 16. a b c d e 17. a b c d e 18. a b c d e 1-18 total points: 19. a b c d e 20. a b c d e 21. a b c d e 22. a b c d e 19-22 total points:
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Name Final Exam (Page 2 of 14) Part I: Concepts (2 points each) No partial credit is available 1. The following reaction: h ν CH 3 CH 2 CH 2 CH 2 CH 3 + Br 2 CH 3 CH 2 CH 2 CH 2 CH 2 Br + HBr is an example of: (a) an addition/halogenation reaction (b) a substitution/halogenation reaction (c) an elimination reaction (d) a condensation reaction (e) a addition/hydrogenation reaction 2. Given: MnO 4 (aq) + H + (aq) + Cl (aq) Mn 2+ (aq) + Cl 2 (g) + H 2 O(l) If 10 electrons are transferred in the balanced equation, what is the coefficient of Cl ? 3. What is the number of protons and neutrons in 56 Fe, respectively? 4. For the cell, C(s) |Co 2+ (aq), Co 3+ (aq) ||H + (aq) |H 2 (g)|Pt(s), which is FALSE ? (a) C(s) is electrode at the anode (b) the half-reaction at the cathode is 2H + (aq) + 2e - H 2 (g) (c) electrons flow from C(s) to Pt(s) (d) Co 3+ is reduced (e) H + is reduced 5. Consider the following mechanism: NO 2 (g) + F 2 (g) NO 2 F(g) + F(g) k 1 , slow F(g) + NO 2 (g) NO 2 F(g) k 2 , fast The rate law consistent with this mechanism is: (a) rate = k 1 [NO 2 F][F] (b) rate = k 1 k 2 [NO 2 ] 2 (c) rate = k 2 [NO 2 ] 2 (d) rate = k 1 [NO 2 ][F 2 ] (e) rate = k 2 [NO 2 ][F]
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Name Final Exam (Page 3 of 14)
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