practice-midterm1_b - Name Student ID Number LAB Sec TA Lab...

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Name______________________________________________ Student ID Number___________________________________ LAB Sec. # ____; TA: __________; Lab day/time: __________ Dr. Toby Allen Spring 2005 CHEMISTRY 2B 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 extra sheet of the exam and refer to its page number in your response. 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 2 pages contain a periodic table and some useful information. You may remove it for easy access. (4) If you finish early, RECHECK YOUR ANSWERS! U.C. Davis is an Honor Institution Multiple Choice (write answers HERE ) Part I: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Part II: 14. 15. 16. 17. 18. Possible Points Points Part I (1-13) 3 points each /39 Part II (14-18) – 6 points each /30 Part III (19) - 20 points /20 Part III (20) - 20 points /20 Re-grade bonus – 4 points /4 Total Score - 113 points total /113
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Name: ____________________________________ Midterm Exam I (Page 2 of 12) Part I: Multiple Choice, Concepts, (3 points each) Write correct answer on cover sheet – No partial credit 1. (3 pts) A paper cup containing some water will not burn when exposed to flame because: A. the paper was not flammable to begin with. B. the temperature of the water goes up but the cup stays cool. C. the heat capacity of water is large and temperature cannot exceed the boiling point. D. the water cools down the cup because of lower specific heat capacity. E. heat is dissipated to the surrounding air too quickly. 2. (3 pts) A system consists of some dry ice enclosed in a sealed rubber glove. The system is exposed to room temperature and atmospheric pressure during a lecture. Which of the following combinations is correct ? A. Work is positive and heat is positive. B. Work is negative and heat is zero. C. Work is positive and heat is negative. D. Work is negative and heat is positive. E. .Work is negative and heat is negative. 3. (3 pts) Which of the following describes a colligative property? A. Any property affected by solute concentration. B. A property related to phase changes or osmosis.
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practice-midterm1_b - Name Student ID Number LAB Sec TA Lab...

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