C17HW11a_18 - View Attempt 1/4...

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Unformatted text preview: 12/18/11 View Attempt 1/4 learn.uh.edu/webct/urw/«/ViewStudentAttempt.dowebct?attempt=5174553« VieZ Attempt 18 of unlimited Title: C17HW11a Started: November 21, 2011 10:39 PM Submitted: November 21, 2011 10:56 PM Time spent: 00:17:33 Total score: 9/10 = 90% Total sc ore adjusted by 0.0 Maximum possible sc ore: 10 Done 1. How many of the following proc esses are ac c ompanied by a positive entropy c hange? heating a pot of water spilling a glass of milk dissolving sugar in water melting an ic ic le dissolving alc ohol in water Student Response Correct AnsZer A. 1 B. 2 C. 3 D. 4 E. 5 Sc ore: 1/1 2. Given the following standard molar entropies, c alc ulate ƩS° for the reac tion: CH 4 (g) + 2 O 2 (g) ĺ CO 2 (g) + H 2 O (g) S° J /mol•K 186.2 205.0 213.6 188.7 Student Response Correct AnsZer A. 5.2 B. 11.1 C. 793.5 D. -11.1 E. -193.9 Sc ore: 1/1 12/18/11 View Attempt 2/4 learn.uh.edu/webct/urw/«/ViewStudentAttempt.dowebct?attempt=5174553« 3....
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This note was uploaded on 12/18/2011 for the course CHEM 1372 taught by Professor Staff during the Spring '08 term at University of Houston.

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C17HW11a_18 - View Attempt 1/4...

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