115 Exam2 sp 2004

115 Exam2 sp 2004 - Name _ Section _ Social Security # _...

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Useful Information: Avogadro’s Number = 6.02 x 10 23 R = 0.0821 L @ atm mol @ K Name _____________________________ Chemistry 115 Section ____________ EXAM II Total Points = 120 Social Security # ___________________ Wednesday, 6:30 PM Instructor ________________________ March 10, 2004 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 nine-digit identification number ( Social Security ) 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. Put all calculations on the examination pages. DO NOT PUT ANY EXTRA MARKS ON THE COMPUTER ANSWER SHEET! 7. This exam consists of 20 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! 8. This exam consists of 6 pages plus a Periodic Table. Please check to be sure that you have them all! END OF EXAM 1) Please make sure that you have entered 20 answers on your scan sheet. 2) Make sure that you have entered your name, 9 digit ID number , and lab section number (4 digits). 3) You MUST turn the scan sheet in to your TA before leaving the exam!
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115 ! Exam 2 ! 3/10/04 2 __B___ 1. How many sodium ions are present in 325 mL of a 0.850 M Na 2 SO 4 solution? (a)
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115 Exam2 sp 2004 - Name _ Section _ Social Security # _...

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