exam1 05 - Name_ Student ID Number_ LAB Sec. # _; TA: _;...

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Name__________________________________________________ Student ID Number_______________________________________ LAB Sec. # _____; TA: ____________; Lab day/time: __________ Dr. Matthew P. Augustine Winter 2005 CHEMISTRY 2B (Sec. C) Midterm 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. A scientific calculator may be used (if it is a programmable calculator, its memory must be cleared before the exam). (1) Read each question carefully. (2) For Parts I and II , there is no partial credit given and only answers marked on this cover page will be graded . (3) The last page contains a periodic table and some useful information. You may remove it for easy access. (4) If you finish early, RECHECK YOUR ANSWERS! (5) Circle your choice on the right for the multiple choice questions 1 – 20. U.C. Davis is an Honor Institution Possible Points Points #1–12. (3 points each) / 36 #13-20. (6 points each) / 48 #21. (15 points) / 15 #22. (17 points) / 17 REGRADE BONUS 4/4 Total Score (120) / 1.2 = % 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 1-12 total pts: 13. a b c d e 14. a b c d e 15. a b c d e 16. a b c d e 17. a b c d e 18. a b c d e 19. a b c d e 20. a b c d e 13-20 total pts:
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Midterm I Page 2 of 10 Initial:___________ Part I: Multiple Choice, Concepts Circle the correct answer and circle your response on the cover – No partial credit 1. (3 pts) The solubility of a gas into a liquid can be described by A. Raoult’s law B. the enthalpy of vaporization C. Henry’s law D. the Clausius–Clapyron equation E. the van’t Hoff equation 2. (3 pts) When a reaction takes place where the products have a higher energy than the reactants, A. the energy of the system decreases B. energy is absorbed C. energy is released D. the thermal motion of the atoms in the surroundings increases E. the reaction is exothermic 3. (3 pts) If a liquid does not display a meniscus then A. cohesive forces are stronger than adhesive forces B. adhesive forces are stronger than cohesive forces C. cohesive forces equal adhesive forces D. the liquid is water E. the liquid is mercury 4. (3 pts) In the freezing point depression equation appropriate for MgSO 4 , the van’t Hoff i factor for MgSO 4 is equal to A. 1 B. 2 C. 3 D. 4 E. 5
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This note was uploaded on 04/23/2008 for the course CHEM 2A taught by Professor Guo during the Fall '08 term at UC Davis.

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exam1 05 - Name_ Student ID Number_ LAB Sec. # _; TA: _;...

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