final_2b_win08_KEY

final_2b_win08_KEY - Name Student ID Number LAB Sec TA Lab...

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Name__________________________________________________ Student ID Number_______________________________________ LAB Sec. # _____; TA: ____________; Lab day/time: __________ Winter 2008 CHEMISTRY 2B (Sec. B) 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. (1) Read each question carefully (28 problems, 16 pages). (2) For Parts I and II , there is no partial credit given and only answers marked on this cover page will be graded . (3) The last two pages contain a periodic table and some useful information. You may remove these pages for easy access. (4) If you finish early, RECHECK YOUR ANSWERS! (5) Circle your choice on the right for questions 1–20. U.C. Davis is an Honor Institution Possible Points Earned Points #1–12 (3 points each) / 36 #13–20 (6 points each) / 48 #21 (9 points) / 09 #22 (9 points) / 09 #23 (9 points) / 09 #24 (9 points) / 09 #25 (9 points) / 09 #26 (9 points) / 09 #27 (9 points) / 09 #28 (9 points) / 09 Total Score (156) /156 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 12. A B C D E 1-12 total pts: 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 19. A B C D E 20. A B C D E 13-20 total pts:
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Final Exam Winter 2008 Page 2 of 16 Initial: ___________ Part I: Multiple Choice, Concepts. (3 points each) Circle the best answer. Circle your response on the cover page . No partial credit. 1. (3 pts) The internal energy of an isolated system is : (A) dependent on the heat capacity of the system (B) dependent on the work done by the environment (C) dependent on heat absorbed by the system (D) constant (E) zero 2. (3 pts) Which of the following is most volatile? (A) CBr 3 H (B) CCl 4 (C) CCl 3 H (D) CBr 4 (E) CBr 2 H 2 3. (3 pts) Which compound is the most likely to be soluble in water? (A) hexane (C 6 H 14 ) (B) benzene (C 6 H 6 ) (C) butyl alcohol (CH 3 CH 2 CH 2 CH 2 OH) (D) ethylene glycol (HOCH 2 CH 2 OH) (E) Iodine (I 2 ) 4. (3 pts) Consider the reaction: CH 4 (g) + 4 Cl 2 (g) CCl 4 (l) + 4 HCl (g) for which Δ H o = -398 kJ/mol. The equilibrium is shifted to the right if: (A) some hydrogen chloride is added (B) the pressure is increased (C) the temperature is increased (D) some carbon tetrachloride is added (E) none of these
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Final Exam Winter 2008 Page 3 of 16 Initial: ___________ 5. (3 pts) Which of the following weak acids has the weakest conjugate base? Acid:
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final_2b_win08_KEY - Name Student ID Number LAB Sec TA Lab...

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