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Toupa Final W07 - Name Student ID Number LAB Sec TA Lab...

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Name__________________________________________________ Student ID Number_______________________________________ LAB Sec. # _____; TA: ____________; Lab day/time: __________ Dr. Andreas Toupadakis Winter 2007 CHEMISTRY 2B (Sec. D) 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. (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 page contains a periodic table and some useful information. You may remove it for easy access. (4) If you finish early, RECHECK YOUR ANSWERS! (5) Circle your choice on the right for the multiple choice questions 1–20. U.C. Davis is an Honor Institution Possible Points Points #1–12. (3 points each) / 36 #13–20. (6 points each) / 48 #21. (46 points) / 46 #22. (25 points) / 25 Total Score (155) /1.55 = % 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 Page 2 of 16 Initial:___________ Part I: Multiple Choice, Concepts Circle the correct answer and circle your response on the cover – No partial credit 1. (3 pts) Choose the INCORRECT statement. A. A reaction with H < 0 and S > 0 is spontaneous. B. Equilibrium is never established in a reversible chemical reaction. C. If Q < K then G < 0. D. Changes in temperature will change the value of an equilibrium constant. E. Chemical equilibrium is a dynamic equilibrium. 2. (3 pts) The pH of an ammonium acetate NH 4 C 2 H 3 O 2 solution is approximately 7. The best explanation for this observation is that
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