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Exam II - F07 - Name Student ID Number Lab TA Name and Time...

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Name_____________________________________ _ Student ID Number_________________________ __ Lab TA Name and Time___________________ ______ Fall 2007 – Enderle CHEMISTRY 2A 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. (3) The last page contains a periodic table and some useful information. You may remove this for easy access. (4) Graded exams will be returned in discussion sections next week. (5) If you finish early, RECHECK YOUR ANSWERS! U.C. Davis is an Honor Institution Possible Points Points 1–15. 45 points 16-18. 26 points 19. 15 points 20-21. 16 points Total Score (102) 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 13. A B C D E 14. A B C D E 15. A B C D E
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Exam I Page 2 of 10 Part I: Multiple Choice, Concepts & Short Calculations Circle the correct answer and enter your response on the cover – No partial credit (3 point each – 45 points total) 1. When performing a titration, which of the following would not compromise a standardization procedure? (See figure of a titration given at the right.) A. Adding water to the flask. B. Adding water to the buret. C. Adding water to the flask and the buret. D. Any of the above would compromise a standardization procedure. E. A standardization procedure is not related to titrations. 2. Identify the reducing agent in the reaction below: O 2 (aq) + N 2 H 4 (aq) Æ N 2 (g) ( unbalanced ) A. O 2 (aq) B. N 2 H 4 (aq) C. N 2 (g) D. All of the above. E. This reaction is not a Redox reaction.
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