C13HW8a_2 - 12/18/11 View Attempt Vie A emp 2 of 5 T it le:...

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12/18/11 View Attempt 1/3 learn.uh.edu/webct/urw/«/ViewStudentAttempt.dowebct?attempt=4862266« VieZ AWWempW 2 of 5 Title: C13Hw8a Started: October 20, 2011 4:18 PM Submitted: October 20, 2011 4:18 PM Time spent: 00:00:07 ToWal vcoUe: 0/10 = 0% Total score adjusted by 0.0 Maximum possible score: 10 Done 1. The decomposition of H 2 O 2 is first order with a rate constant k = 3.66 î 10 −3 sec −1 . If the initial concentration of H 2 O 2 is 405 M how long will it take, in minutes, for the concentration to drop to 134 M? SWXdenW Revponve CoUUecW AnvZeU A. 5.03 B. -302 C. 0.00405 D. 2.19 E. 302 Score: 0/1 2. For the reaction, 4 A(g) + 3 B(g) => 2 C(g), the following data were obtained at constant temperature. Experiment Initial [A], mol/L Initial [B], mol/L Initial Rate, M/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 20.0 4 0.400 0.300 40.0 Determine the value of k for the reaction. Give answer to 3 significant figures. SWXdenW Revponve
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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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C13HW8a_2 - 12/18/11 View Attempt Vie A emp 2 of 5 T it le:...

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