KEY EXAM 1 - the Iifecurve,com EY -Lab Sec. # _ ; TA: ,;Lab...

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EY theIifecurve,com Name ------------------------------------------- Lab Sec. #__ ; TA: ,;Lab day/time: _ Andreas Toupadakis, Ph. D. CHEMISTRY 2A Section A EXAM 1 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. Exam has 8 pagestotal. (2) For problems 1-7 and 9-14, 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, RECHECKYOUR ANSWERS! u. C. Davis is an Honor Institution Possible Points Earned Points # 1-7 (3 points each) 121 #08 (09 points) 109 # 9-14 (06 points each) 136 # 15-16 (20+14=34) 134 Total Score (100) 1100 TOUPADAKIS Winter 2010 CHEM 2A Section A Winter 2010 Multiple Choice (Circle one) 1. a 2. a 3. a 4. a 5. a 6. a 7. a 9. a b c d b c d e b c d e 12.a b o d e 13.Q b c d e 14. a ® c d e EXAM 1
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Page 2 of 8 Part I: Multiple Choice, Concepts (3 points each) Select the best answer and enter your choice on the cover sheet - No partial credit 1. Choose the CORRECT formula/name combination. a. CoC12.6H20 Cobalt Chloride b. CoC12.6H20 Cobalt Chloride hexahydrate c. CoCI2.6H20Monocobalt(II) dichloride hexahydrate d. CoC12.6H20 Cobalt(III) Chloride hexahydrate e. CoC12.pH20 Cobalt(IIJChlorid? hexabydrat~ @AT2010WINTER 2. Binary chemical compounds contain: a. One chemical element. ,. ~.", '__ ~ ',_, !"r~_ ,f b. -:r:wodifferent chemicaloelements. c. Three different chemical elements. d. Four different chemical elements. e. Five different chemical elements. @AT2010WINTER 3. The molecular formula for the condensed structural formula of the hydrocarbon below is: @AT2010WINTER a. C3H6 b. C3H9 ~ c. ~6HIZ d. C9H12 e. C6H9 4. When the chemical equation below is balanced with the smallest INTEGER coefficients, the
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KEY EXAM 1 - the Iifecurve,com EY -Lab Sec. # _ ; TA: ,;Lab...

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