exam_ii_-_f05

exam_ii_-_f05 - Name_ Student ID Number_ TA Name and Lab...

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Name______________________________________ Student ID Number___________________________ TA Name and Lab Time_________________________ Fall 2005 – 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 and Part II. (3) The last 2 pages contain a periodic table and some useful information. You may remove this for easy access. (4) Graded exams will be returned in the discussion or lab sections next week. (5) If you finish early, RECHECK YOUR ANSWERS! U.C. Davis is an Honor Institution Possible Points Points 1–11. 33 points 12. 10 points 13-14. 13 points 15. 18 points 16. 15 points 17. 16 points Total Score (105) 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
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Exam II Page 2 of 13 Part I: Multiple Choice, Concepts Circle the correct answer and enter your response on the cover – No partial credit 1. The substance KOH is a: A. salt and strong electrolyte B. weak base and weak electrolyte C. strong base and strong electrolyte D. weak base and strong electrolyte E. strong base and weak electrolyte 2. Which of the following sets of quantum numbers are allowable? A. n = 1; l = 1; m l = 0, ±1; m s = ½ B. 5f; m l = 0, ±1, ±2, ±3, ±4 C. n = 6; l = 1; m l = -1; m s = -½ D. n = 4; l = 1; m l = 0, ±1, ±2 E. 5d; m l = 3 3. Liquid nitrogen (77 K) is poured onto a balloon at room temperature. It is expected that A. the moles of gas molecules in the balloon will increase B. the volume of the balloon will decrease C. the kinetic energy of the gas molecules in the balloon will increase D. the gas molecules in the balloon will move faster E. none of the above 4. Calculate the mass of N 2 (g) at STP, required to react with 15.00 L of H 2 (g) at STP in the following reaction: N 2 (g) + H 2 (g) Æ NH 3 ( g) A. 18.7 g B. 23.9 g C. 15.9 g D. 6.25 g E. none of the above
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This test prep was uploaded on 04/20/2008 for the course CHEM 2A taught by Professor Guo during the Spring '08 term at UC Davis.

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exam_ii_-_f05 - Name_ Student ID Number_ TA Name and Lab...

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