C3HW6a_14 - 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=4865442 VieZ Attempt 15 of 5 Title: C3HW6a Started: Oc tober 20, 2011 8:41 PM Submitted: Oc tober 20, 2011 9:13 PM Time spent: 00:32:24 Total score: 9/10 = 90% Total sc ore adjusted b\ 0.0 Ma[imum possible sc ore: 10 Done 1. Ac c ording to the equation beloZ, hoZ man\ grams of CO 2 are produc ed Zhen 5.00 g of Fe is also produc ed? 2Fe 2 O 3 + 3C ---> 4Fe + 3CO 2 Student Response Correct AnsZer A. 3.94 g B. 2.96 g C. 0.739 g D. 1.88 g E. 5.25 g Sc ore: 1/1 2. Aluminum o[ide forms Zhen aluminum reac ts Zith o[\gen. 4 Al(s) + 3 O 2 (g) => 2 Al 2 O 3 (s) If a mi[ture of 82.49 g of aluminum and 117.65 g of o[\gen are reac ted, Zhat mass of aluminum o[ide c an be formed? Student Response Correct AnsZer A. 155.8 g B. 249.9 g C. 311.7 g D. 374.9 g E. 200.1 g Sc ore: 1/1 3. Aluminum o[ide forms Zhen aluminum reac ts Zith o[\gen....
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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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C3HW6a_14 - 12/18/11 View Attempt 1/4

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