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C17HW11a_16

# C17HW11a_16 - View Attempt Vie Attempt 16 of unlimited T it...

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12/18/11 View Attempt 1/4 learn.uh.edu/webct/urw/«/ViewStudentAttempt.dowebct?attempt=5171130« VieZ Attempt 16 of unlimited Title: C17HW11a Started: November 21, 2011 4:08 PM Submitted: November 21, 2011 4:31 PM Time spent: 00:23:21 Total score: 7/10 = 70% Total score adjusted by 0.0 Maximum possible score: 10 Done 1. How many of the following processes would you expect to be spontaneous at 298 K and 1 atm? dissolving sugar in water decomposing NaCl to the elements climbing a mountain H 2 O (l) ĺ H 2 (g) + O 2 (g) Student Response Correct AnsZer A. 0 B. 1 C. 2 D. 3 E. 4 Score: 1/1 2. For which of the following processes will ƩS° system be the most positive? Student Response Correct AnsZer A. 2 NH 3 (g) ĺ N 2 (g) + 3 H 2 (g) B. Hg (l) ĺ Hg (s) C. C 2 H 2 (g) + H 2 (g) ĺ C 2 H 4 (g) D. 4 Fe (s) + 3 O 2 (g) ĺ 2 Fe 2 O 3 (s) E. 2 SO 2 (g) + O 2 (g) ĺ 2 SO 3 (g) Score: 1/1 3. For which of the following reactions would you expect the entropy change to be closest to zero?

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12/18/11 View Attempt 2/4 learn.uh.edu/webct/urw/«/ViewStudentAttempt.dowebct?attempt=5171130« Student Response
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C17HW11a_16 - View Attempt Vie Attempt 16 of unlimited T it...

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