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Chem 116 Exam 1 08

Chem 116 Exam 1 08 - Test 31 Name Section TA Chemistry...

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Test 31 Name _________________________ Chemistry 116-C Section ____________ EXAM I Total Points = 150 TA ___________________________ Tuesday, 7:00 PM February 5, 2008 THIS EXAM IS FOR STUDENTS WITH MONDAY-WEDNESDAY 11:30 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 lab section number on the answer sheet. Please use all four digits, 0101, 0201, 0301, etc. This is also very important! 6. CODE the test number shown in the upper right-hand corner on to the answer sheet in the block labeled “Test/Quiz Number”. This is Test 31. 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 7.5 points each and 1 extra credit question worth 3 points. 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 8 pages plus a, Useful Information page, 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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116-C − Exam 1 (Test 31) − 02/05/08 _____ 1. Balance the following combustion reaction and answer the question below. ____C 4 H 10 (g) + ____O 2 (g) ____CO 2 (g) + ____H 2 O(g) The complete combustion of 0.40 moles of butane gas, C 4 H 10 , will: (a) consume 0.40 mol O 2 and produce 0.20 mol CO 2 . (b) consume 0.80 mol O 2 and produce 0.40 mol CO 2 . (c) consume 1.3 mol O 2 and produce 0.80 mol CO 2 . (d) consume 2.6 mol O 2 and produce 1.6 mol CO 2 . (e) consume 5.2 mol O 2 and produce 3.2 mol CO 2 . _____
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