Exam I KEY - F07

Exam I KEY - F07 - Name_ Student ID Number_ Lab TA Name and...

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Name______________________________________ Student ID Number___________________________ Lab TA Name and Time_______________________ Fall 2007 - Enderle CHEMISTRY 2A Exam I 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) Graded exams will be returned in the discussion sections next week. (5) If you finish early, RECHECK YOUR ANSWERS! U.C. Davis is an Honor Institution Possible Points Points 1–12. 36 points 13–14. 12 points 15–16. 16 points 17. 17 points 18. 10 points 19. 12 points Total Score (103) 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
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Page 2 of 11 Part I: Multiple Choice, Concepts Circle the correct answer here and on the cover – No partial credit (3 points each) 1. Cobalt (III) ion and hydrogen phosphate ion (HPO 4 2- ) form what ionic compound? A. CoHPO 4 B. Co 3 (HPO 4 ) 2 C. Co 2 (HPO 4 ) 3 D. Co 3 HPO 4 E. Co(HPO 4 ) 2 2. The total numbers of neutrons, protons, and electrons in 232 Th + are: A. 232 neutrons, 90 protons, 91 electrons B. 232 neutrons, 90 protons, 89 electrons C. 142 neutrons, 90 protons, 89 electrons D. 142 neutrons, 90 protons, 91 electrons E. 90 neutrons, 142 protons, 90 electrons 3. What is the approximate mass of one mole of water (in grams)? A. 0.18
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This note was uploaded on 10/23/2009 for the course CHE che 2a taught by Professor Tingguo during the Fall '08 term at UC Davis.

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Exam I KEY - F07 - Name_ Student ID Number_ Lab TA Name and...

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