C17HW11a_4 - 12/18/11 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=5109306 VieZ Attempt 4 of unlimited Title: C17HW11a Started: November 15, 2011 1:14 PM Submitted: November 15, 2011 1:14 PM Time spent: 00:00:04 Total score: 0/10 = 0% 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: 0/1 2. What is S fusion , in k J /mol, if H fusion = 340 k J /mol at 485 K? Student Response Correct AnsZer A. 165,000 B. 1.40 C. 55,000 D. 1.43 E. 0.701 Sc ore: 0/1 3. Whic h proc ess is ac c ompanied by a dec rease in entropy for the system? 12/18/11 View Attempt 2/4 learn.uh.edu/webct/urw//ViewStudentAttempt.dowebct?attempt=5109306 Student Response Correct AnsZer A. water evaporates B. dry ic e sublimesB....
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C17HW11a_4 - 12/18/11 View Attempt 1/4

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