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Unformatted text preview: Name ______________________________ _ Quiz 6 (10 points) 09-106 Spring 2011 Recitation ( CIRCLE ONE TA and ONE TIME ): Christian Steve Brendan 6:30 7:30 2/24/11 (10 minutes allowed) In order to ensure the maximum amount of partial credit on short problems, please show all work and clearly circle your final answers. I. For the following statements, circle T if the statement is TRUE and F if it is FALSE. (3 points) T F 1. Transition states are species containing all real bonds that can be isolated T F 2. The addition of a catalyst to a one-step overall reaction must lower the activation energy and maintain one ”hill” in the reaction profile diagram. T F 3. Exothermic reactions always have higher rates than endothermic ones. II. For the gas-phase reaction Br 2 + H 2 barb2right 2 HBr, the following 4 step mechanism has been proposed: k 1 Under what conditions of relative k magnitudes 1 Br 2 barb2leftbarb2right 2 Br does the rate law have the form: k-1 rate = k [H 2 ][Br 2 ] 1/2 ?...
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This note was uploaded on 09/29/2011 for the course CHEMISTRY 09-106 taught by Professor Vuocolo during the Fall '09 term at Carnegie Mellon.
- Fall '09