exam 2b - TEST 22 Name _________________________ Chemistry...

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Unformatted text preview: TEST 22 Name _________________________ Chemistry 112 Section ____________ EXAM II Total Points = 125 TA ___________________________ Thursday, 6:30 PM March 5, 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 lab 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 Test/Quiz Number. This is Test 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 Periodic Table. Please check to be sure that you have them all! Useful Information : 1 atm = 14.7 psi = 101.325 kPa = 760 torr R = 0.082 Latm/Kmol STP: 0C; 1 atm K = C + 273.15 Chem 112 Exam 2 (Test 22) 03/05/09 2 _____ 1. Which correctly represents the state of the solute in an aqueous solution of sodium sulfate (Na 2 SO 4 )? (a) Na 2 SO 4 ( ) (b) NaOH( ) + H 2 SO 4 ( ) (c) Na + (aq) + SO 4 (aq) (d) 2 Na + (aq) + SO 4 2 (aq) (e) 2 Na(aq) + SO 4 (OH 2 )(aq) _____ 2. The dissolving of hydrogen chloride [HCl(g)] in water is correctly represented as: (a) HCl(g) HCl(aq) (b) HCl(aq) H + (aq) + Cl (aq) (c) HCl(g) + H 2 O( ) H 2 (g) + HOCl(aq) (d) HCl(g) + H 2 O( ) H 3 O + (aq) + Cl (aq) (e) HCl(g) + H...
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This note was uploaded on 04/03/2011 for the course CHEM 112 taught by Professor Harwood during the Spring '11 term at Purdue University-West Lafayette.

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exam 2b - TEST 22 Name _________________________ Chemistry...

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