D2L2_Answers - Answer Key for D2L Assignment #2 Dinitrogen...

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Unformatted text preview: Answer Key for D2L Assignment #2 Dinitrogen tetraoxide, N 2 O 4 , decomposes to nitrogen dioxide, NO 2 , in a first-order process. If k = 2.5 10 3 s -1 at - 5 C and k = 3.5 10 4 s -1 at 25 C, what is the activation energy for the decomposition? 1) 580 kJ/mol Feedback: Difficulty: H 2) 0.73 kJ/mol Feedback: Difficulty: H 3) > 1000 kJ/mol Feedback: Difficulty: H 4) 58 kJ/mol Feedback: Difficulty: H 5) 140 kJ/mol Feedback: Difficulty: H ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Ammonia will react with oxygen in the presence of a copper catalyst to form nitrogen and water. From 164.5Cto 179.0C, the rate constant increases by a factor of 4.27. What is the activation energy of this oxidation reaction? 1) > 10 4 kJ/mol Feedback: Difficulty: H 2) 24.5 kJ/mol Feedback: Difficulty: H 3) 165 kJ/mol Feedback: Difficulty: H 4) 1630 kJ/mol Feedback: Difficulty: H 5) 242 kJ/mol Feedback: Difficulty: H ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~...
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This test prep was uploaded on 04/10/2008 for the course ECOL 182 taught by Professor Chesson during the Spring '08 term at University of Arizona- Tucson.

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D2L2_Answers - Answer Key for D2L Assignment #2 Dinitrogen...

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