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View Attempt 1 of unlimited Title: Chapter 20 Started: November 20, 2009 6:31 PM Submitted: November 20, 2009 7:40 PM Time spent: 01:09:03 Total score: 9/12 = 75% Total score adjusted by 0.0 Maximum possible score: 12 1. Comparative S 2 1 mole of HCl(g) has a greater entropy than 1 mole of HBr(g). True or false Student Response Value Correct Answer Feedback 1. True 0% 2. False 100% Score: 1/1 2. Sign of Delta S 43 Answer this question without using numbers from the book (or anywhere else!) D S for the following reaction is positive. True or false? 2 CO(g) + O 2 (g) => 2 CO 2 (g) Student Response Value Correct Answer Feedback 1. True 0% 2. False 100% Score: 1/1 3. Calculate S from S values 11 Given the values of S o given below in J/mol K, calculate the value of D S o in J/K for the combustion of 1 mole of ethane to form carbon dioxide and liquid water. S (C 2 H 6 (g)) = 229.4 S (O 2 (g)) = 204.5 S (CO 2 (g)) = 212.3 S (H 2 O(l)) = 71.4 Student Response Value Correct Answer Answer -306.35 100% -306 Score: 1/1 View Attempt https://scholar.uh.edu/webct/ViewStudentAttempt.dowebct?attempt=1780.
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This note was uploaded on 02/17/2010 for the course CHEM 1332 taught by Professor Shiv during the Fall '08 term at University of Houston.

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