Exam II KEY - W09

Exam II KEY - W09 - Name Student ID Number Lab TA Name and...

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Name_____________________________________ _ Student ID Number_________________________ __ Lab TA Name and Time___________________ ______ Winter 2009 – 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. Circle Part I answers on front page. (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 1–12. 36 points 13–15. 14 points 16–17. 12 points 18–19. 8 points 20. 11 points 21–22. 13 points 23. 10 points Total Score (104) 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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Exam II Page 2 of 11 2 Part I: Multiple Choice, Concepts & Short Calculations Circle the correct answer and enter your response on the cover – No partial credit 1. Simplify the units: (J s 2 ) / kg m A. m B. J C. Pa D. kg E. s 2. Which of the following would be your most likely choice to measure the pressure of a particular gas? A. Manometer B. Barometer C. Container D. Diffraction Grating E. Ruler 3. Each of the different gases in this room have approximately the same… A. u rms B. impulse C. kinetic energy D. partial pressure E. molar mass 4. To calculate the velocity of a given molecule at room temperature, what formula would you use? A. h/(4 π m Δ x) B. (3RT/M) C. Graham’s Law D. h/(m λ ) E. c/ λ 5. Consider each case below in its ability to increase pressure. In each case, consider all other variables constant. A. Increase V B. Decrease T C. Decrease n D. Increase n E. Decrease P 6. In the reaction (H 2 O 2 b H 2 O + O 2 ), oxygen is… A. Reduced B. Oxidized C. Both A and B D. Neither A nor B E. Annihilated 7. What is the minimum number of nodes for any d orbital? A.
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This note was uploaded on 04/25/2011 for the course CHEM 2A taught by Professor Guo during the Spring '08 term at UC Davis.

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Exam II KEY - W09 - Name Student ID Number Lab TA Name and...

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