Exam 2 - CHEMISTRY 1131 Dr. Hendrickson HOUR EXAM 2 March...

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CHEMISTRY 1131 HOUR EXAM 2 Spring 2008 Dr. Hendrickson March 20 PLEASE READ THIS COVER PAGE AND FOLLOW THE INSTRUCTIONS. DO NOT OPEN THE EXAM UNTIL YOU ARE TOLD TO DO SO. On the computer graded answer sheet in the appropriate boxes, enter your: 1. name 2. student identification number 3. lab section (In the four columns at the upper left of the sheet. Use a zero before the lab section number. Ex., section 231 is written as 0231.) Then fill in the corresponding bubbles below your name, ID number, and lab section. Answer all questions on the computer graded answer sheets by filling in the proper bubble with a No. 2 pencil. If you change an answer, erase the undesired mark thoroughly. Mark only the best answer to each question. Programmable calculators are not permitted during the exam. A Periodic Table with atomic numbers and masses is printed on the back of this cover sheet. There are 4 exam pages (double-sided) with 20 questions. When you are instructed to begin the exam, please check that you have all pages. Good luck! Useful Information Gas Constant: Faraday Constant: Nernst Equation: Nernst Equation at 25°C: Have a good Spring Break!
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PERIODIC TABLE OF THE ELEMENTS
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CHEMISTRY 1131 Second Hour Exam March 20, 2008 Page 1 of 4 1. Which of the following results in a decrease in the entropy of the system? A) 2 H 2 O 2 ( g ) → 2 H 2 O( g ) + O 2 ( g ) B) O 2 ( g ), 300 K → O 2 ( g ), 400 K C) 2 H 2 ( g ) + O 2 ( g ) → 2 H 2 O( g ) D) H 2 O( s ), 0°C → H 2 O( l ), 0°C 2. In order for a process to be spontaneous, A) ΔH must be less than zero. B) ΔG must be greater than zero.
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This note was uploaded on 03/25/2010 for the course CHEM 1131 taught by Professor Redin,kend during the Spring '08 term at Colorado.

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Exam 2 - CHEMISTRY 1131 Dr. Hendrickson HOUR EXAM 2 March...

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