Practice Exam II F08 KEY

Practice Exam II F08 KEY - Name_ Student ID Number_ Lab TA...

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Name________________________________________ Student ID Number_____________________________ Lab TA Name and Time_________________________ Fall 2008 – 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 two pages contains a periodic table and some useful information. You may remove these pages for easy access. (4) Graded exams will be returned in lab sections next week. (5) If you finish early, RECHECK YOUR ANSWERS! U.C. Davis is an Honor Institution Possible Points Points 1–13. 39 points 14–15. 12 points 16–17. 16 points 18. 13 points 19. 13 points 20. 10 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 13. A B C D E
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Exam II 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 – 39 points total) 1. Which of the following can be expected for a real gas? A. Low P B. Low T C. PV/nRT = 1 D. High e K E. A vacuum 2. If 3.45 L of nitrogen gas reacted according to the chemical equation below, what volume of ammonia is produced? N 2 (g) + 3 H 2 (g) b 2 NH 3 (g) A. 3.45 L B. 6.90 L C. 10.35 L D. 1.73 L E. 1.15 L 3. Simplify the units: (J / Pa) 1/3 A. m B. J C. Pa D. kg E. s 4. What is the most abundant element on the earth’s crust and in the human body, respectively? A. O & O B. Si & O C. Fe & C D. Si & C E. O & C 5. Find the density (in g/L) of CO 2 at STP? A. 0.51 B. 1.00 C. 1.83 D. 1.96 E. Infinity ( ) 6. Select the orbital that is forbidden (i.e., not allowed). A.
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Practice Exam II F08 KEY - Name_ Student ID Number_ Lab TA...

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