final sp 10

final sp 10 - Test Form C3 Name _ Section _ TA _ Chemistry...

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Test Form C3 Name _________________________ Chemistry 116-A Section ____________ FINAL EXAM Total Points = 290 TA ___________________________ Friday, 10:20 AM May 7, 2010 THIS EXAM IS FOR STUDENTS WITH MONDAY-WEDNESDAY 10:30 or 11:30 LECTURE. YOU SHOULD HAVE A RED 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 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 C3. 7. Put all calculations on the examination pages. DO NOT PUT ANY EXTRA MARKS ON THE COMPUTER ANSWER SHEET! 8. This exam consists of 40 multiple-choice questions worth 7.25 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 14 pages plus a Table of Useful Information, a Periodic Table and a sheet 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-A − Final Exam (Test C3) − 05/07/10 2 _____ 1. The compound P 4 S 3 is used in matches. It reacts with oxygen to produce P 4 O 10 and SO 2 . The unbalanced chemical equation is shown below: P 4 S 3 (s) + O 2 (g) → P 4 O 10 (s) + SO 2 (g) What mass of SO 2 is produced from the combustion of 0.331 g P 4 S 3 with excess O 2 ? (a) 0.00150 g (b) 0.00451 g (c) 0.0321g (d) 0.0964 g (e) 0.289 g _____ 2. If 2.891 g MgCl 2 is dissolved in enough water to make 50.0 mL of solution and then 40.0 mL of this solution is diluted with water to a total volume of 1.00 L, what is the molarity of the final magnesium chloride solution? (a) 9.11 mM (b) 12.2 mM (c) 24.3 mM (d) 60.7 mM (e) 101 mM _____ 3. Given the initial rate data for the reaction A + B → C, determine the rate expression for the reaction. [A], M [B], M Δ[C]/Δ t (initial) M/s 0.0500 0.160 2.24 10 −3 0.0750 0.160 3.36 10 −3 0.0750 0.320 1.34 10 −2 (a) -1 -1 Δ[C] = 0.280 M s [A][B] Δ t (b) -2 -1 2 Δ[C] = 1.75 M s [A][B] Δ t (c) -2 -1 2 Δ[C] = 1.75 M s [A] [B] Δ t (d) -2 -1 2 Δ[C] = 5.60 M s [A] [B] Δ t (e) -1 -1 2 Δ[C] = 0.0303 M s [B] Δ t
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116-A − Final Exam (Test C3) − 05/07/10 3 _____ 4. Which of the following statements is correct for the first-order reaction: A → 2B? (a)
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This note was uploaded on 02/27/2012 for the course CHEM 116 taught by Professor Stevenson during the Spring '08 term at Purdue.

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final sp 10 - Test Form C3 Name _ Section _ TA _ Chemistry...

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