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Chem 102 Fall Exam 1 - Name_Mr Perfect Date_F 13 1 Consider...

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Name ____Mr. Perfect ___________________________________________ Date ___F 13 ___________ Chemistry 102 Exam 1 1. Consider the following reaction between nitrogen monoxide and chlorine: 2 NO + Cl 2 2 NOCl From the following data, determine the rate law for the reaction and state the overall order of the reaction. Also, calculate the rate constant for the reaction ( include proper units for full credit ). (15 pts) Trial [NO] (M) [Cl 2 ] (M) Initial Rate (M/s) 1 0.13 0.20 1.0 x 10 -2 2 0.26 0.20 4.0 x 10 -2 3 0.13 0.10 5.0 x 10 -3 4 = 2 x 2 = 2 y x = 2 second-order in NO y = 1 first-order in Cl 2 Rate Law: Rate = k[NO] 2 [Cl 2 ] third-order overall 2. Write the possible rate expressions for each the following reactions: (10 pts) a) N 2 + 3 H 2 2 NH 3 b) 4 NH 3 + 5 O 2 4 NO + 6 H 2 O 3. Write the balanced equation that corresponds to the following rate expressions: (5 pts) 2 NO + Br 2 2 NOBr Rate Law: Rate = k[NO] x [Cl 2 ] y
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Name ____Mr. Perfect ___________________________________________ Date ___F 13 ___________ Chemistry 102 Exam 1 4. The overall reaction for the decomposition of dinitrogen pentoxide is shown below and has the experimental rate law: Rate = k[N 2 O 5 ] 2 [NO 3 ] N 2 O 5 + NO 3 3 NO 2 + O
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