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C17HW11a_13 - View Attempt Vie Attempt 13 of unlimited T it...

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12/18/11 View Attempt 1/4 learn.uh.edu/webct/urw/«/ViewStudentAttempt.dowebct?attempt=5109306« VieZ Attempt 13 of unlimited Title: C17HW11a Started: November 15, 2011 1:18 PM Submitted: November 15, 2011 1:31 PM Time spent: 00:12:13 Total score: 10/10 = 100% Total score adjusted by 0.0 Maximum possible score: 10 Done 1. Which of the following is not spontaneous at room temperature? Student Response Correct AnsZer A. H 2 O (g) ĺ H 2 O (l) B. H 2 O (s) ĺ H 2 O (l) C. H 2 O (s) ĺ H 2 O (g) D. H 2 O (l) ĺ H 2 O (g) E. These are all spontaneous reactions. Score: 1/1 2. In general, entropy increases for all of the following processes, except: Student Response Correct AnsZer A. Solids melt to liquids. B. Solids dissolve to form nonelectrolyte solutions. C. A reaction produces an increase in the number of gaseous molecules. D. A substance is heated. E. Gases condense to form liquids. Score: 1/1 3. Which is necessarily true for a spontaneous process? Student Response Correct AnsZer A. ƩS universe > 0 B. ƩS system > 0
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12/18/11 View Attempt 2/4 learn.uh.edu/webct/urw/«/ViewStudentAttempt.dowebct?attempt=5109306«
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