1412Exam3 - November 06 Chem 1412 Exam 3 _ _ 1. AST Name...

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November 06 Chem 1412 ___________________ ________________________ Exam 3 1. LAST READ DIRECTIONS ---------> 3 . Do Not Erase Scantron 4. Bonus on Back of Scantron AS SHOWN 5. PUT EXAM LETTER ON SCANTRON MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question 1) A reaction was found to be second order in carbon monoxide concentration. The rate of the reaction __________ if the [CO] is doubled, with everything else kept the same. A) triples B) is reduced by a factor of 2. C) remains unchanged D) doubles E) increases by a factor of 4 1) 2) The overall order of a reaction is 2. The units of the rate constant for the reaction are __________. A) 1/M B) s/M 2 C) M/s D) 1/s E) M - 1 s - 1 2) The data in the table below were obtained for the reaction: A + B P Experiment Number [A] (M) [B] (M) Initial Rate (M/s) 1 0.273 0.763 2.83 2 0.273 1.526 2.83 3 0.819 0.763 25.47 3) The order of the reaction in A is __________. A) 1 B) 2 C) 3 D) 4 E) 0 3) 4) The order of the reaction in B is __________. A) 1 B) 2 C) 3 D) 4 E) 0 4) 5) The overall order of the reaction is __________. A) 1 B) 2 C) 3 D) 4 E) 0 5) 6) The value of the rate constant is A) 38.0 B) 6.79 C) 40.8 D) none of these 6) 7) The minimum energy to initiate a chemical reaction is the ____ A) Activation energy B) enthalpy of reaction C) heat of reaction D) rate of reaction 7) 1
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8) The number of molecules that prticipate as reactants defines the _________ A) molecularity B) mechanism C) arrhenius factor D) colision model
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1412Exam3 - November 06 Chem 1412 Exam 3 _ _ 1. AST Name...

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