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C17HW11a_14

# C17HW11a_14 - View Attempt 1/4...

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Unformatted text preview: 12/18/11 View Attempt 1/4 learn.uh.edu/webct/urw/Â«/ViewStudentAttempt.dowebct?attempt=5118473Â« VieZ Attempt 14 of unlimited Title: C17HW11a Started: November 16, 2011 11:58 AM Submitted: November 16, 2011 7:45 PM Time spent: 07:47:09 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. Given the following standard molar entropies, c alc ulate Æ©SÂ° (in J /K) for the reac tion: C (s) + O 2 (g) Äº CO 2 (g) SÂ° J /molâ€¢K 5.74 205.0 213.6 Student Response Correct AnsZer A. -2.86 B. 424.3 C. -424.3 D. 2.86 E. -42.4 Sc ore: 0/1 12/18/11 View Attempt 2/4 learn.uh.edu/webct/urw/Â«/ViewStudentAttempt.dowebct?attempt=5118473Â« 3....
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C17HW11a_14 - View Attempt 1/4...

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