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115 Final %28Test A2%29 Sp%2709

115 Final %28Test A2%29 Sp%2709 - Test Form A2 Name Section...

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Test Form A2 Name _________________________ Chemistry 115 Section ____________ FINAL EXAM Total Points = 210 TA ___________________________ Monday, 1:00 PM May 4, 2009 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 of this page onto the answer sheet in the block labeled “Test Form” under the Date line at the top right-hand side. This is Test Form A2. 7. Put all calculations on the examination pages. DO NOT PUT ANY EXTRA MARKS ON THE COMPUTER ANSWER SHEET! 8. This exam consists of 35 multiple-choice questions worth 6 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 10 pages plus a Table of Useful Information, a Periodic Table and 1 sheet of scratch paper. Please check to be sure that you have them all! YOU MUST TURN IN ALL PAPERS… YOUR EXAM BOOKLET AND YOUR SCAN SHEET TO YOUR TA BEFORE LEAVING THE EXAMINATION AREA! You can record your answers on the last page of the exam booklet and take that with you.
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115 − Final Exam (Test A2) − 05/04/09 _____ 1. How many neutrons and protons are there in 79 Br ? Neutrons protons (a) 30 49 (b) 0 79 (c) 44 35 (d) 35 44 (e) 79 35 _____ 2. What is the mass of oxygen in 2.25 g of CO 2 ? _____ 3. Consider this reaction: Al(s) + ½ Fe 2 O 3 ½ Al 2 O 3 + Fe(s). How many moles of Al 2 O 3 can be produced from a reaction mixture of 2.0 mol Fe 2 O 3 and 3.0 mol Al?
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