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exam 2 sp 09

exam 2 sp 09 - Test 22 Name Section TA Chemistry 116 EXAM...

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Test 22 Name _________________________ Chemistry 116 Section ____________ EXAM II Total Points = 125 TA ___________________________ Tuesday, 6:30 PM March 3, 2009 THIS EXAM IS FOR STUDENTS WITH MONDAY-WEDNESDAY 10:30, 2:30 or 3:30 LECTURE. YOU SHOULD HAVE AN ORANGE COMPUTER ANSWER SHEET! Directions: 1. Each student is responsible for following directions. Read this page carefully. 2. Write your name and other requested information on this page and on the separate answer sheet. 3. CODE your name on the answer sheet using an ordinary (#2) pencil. 4. CODE your correct 10-digit identification number (PUID) on the answer sheet. THIS IS VERY IMPORTANT! 5. CODE your section number on the answer sheet. Please use all four digits, 0101, 0102, 0201, etc. This is also very important! 6. CODE the test number shown in the upper right-hand corner on the answer sheet in the block labeled A Test/Quiz Number @ . This is Test Form 22. 7. Put all calculations on the examination pages. DO NOT PUT ANY EXTRA MARKS ON THE COMPUTER ANSWER SHEET! 8. This exam consists of 20 multiple-choice questions worth 6.25 points each. Choose the one best or correct answer for each question and write it both on your exam paper and on the computer answer sheet. The computer answer sheet is the only one that will be graded! 9. This exam consists of 6 pages plus a page with useful information, a Periodic Table, and 2 sheets of scratch paper. Please check to be sure that you have them all! KEEP YOUR ANSWERS AND WORK COVERED TO PROTECT THE INTEGRITY OF YOUR WORK!!
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Chem 116 Exam 2 (Test 22) 03/03/09 2 C____ 1. An equilibrium mixture for the reaction: 2 H 2 S(g) 2 H 2 (g) + S 2 (g) contains 1.0 mol H 2 S, 3.0 mol H 2 , and 0.80 mol S 2 in a 4.0 L vessel. Calculate the equilibrium constant, K c , for this reaction. (a) 0.45 (b) 0.60 (c) 1.8 (d) 2.4 (e) 7.2 D____ 2. The K a values for HF and HNO 2 are 6.8 x 10 −4 and 4.5 x 10 −4 respectively. Therefore it follows that HF is a _____ acid than HNO 2 and F is a _____ base than NO 2 . (a)
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exam 2 sp 09 - Test 22 Name Section TA Chemistry 116 EXAM...

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