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auth-2.php

# auth-2.php - Corrections The corrected practice exam is...

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02/03/10

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Corrections y The corrected practice exam is posted on the web site. y In chapter 13 homework solutions, the answer to 58 c, should be no change.
Practice Exam #2 y The kinetics of the reaction A + 3B Æ C + 2D were studied and the following results were obtained. y For an experiment where [A] o = 1.0 x 10 -3 M and [B] o = 5.0 M, a plot of 1/[A] versus t was found to give a straight line with a slope of 0.75 M -1 s -1 . y For a second experiment where [A] o = 1.0 x 10 -3 M and [B] o = 15.0 M, a plot of 1/[A] versus t was found to give a straight line with a slope of 2.25 M -1 s -1 . y What is the rate law for this experiment? y What is the rate constant for this experiment? y What is the overall order?

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y For the reaction A Æ products, successive half-lives are observed to be 10.0, 20.0, and 40.0 min for an experiment in which [A] o = 0.10 M. Calculate the concentration of A at the following times. y
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auth-2.php - Corrections The corrected practice exam is...

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