Using the given data, determine the rate constant of this reaction O 11/18/2016

Question

Using the given data, determine the rate constant of this reaction

O 11/18/2016 11:55 PM A 4.2/5 11/18/2016 06:29 PM Gradebook Print il calculator Periodic Table Incorrect Question 17 of 22 Map Sapling Learning macmillan learning Trial [A] (M) [B] (M) Rate (M/s) Using the given data, determine the rate constant 1 of this reaction. 0.240 0.350 0.0167 2 0.240 0.700 0.0167 A 2B C D 3 0.480 0.350 0.0668 Number Units 222 M 's 1 There is a hint available! View the hint by clicking on the bottom divider bar. Click on the divider bar again to hide the hint. Close Previous Give Up & View Solution Check Answer O Next Exit Hint

Explanation / Answer

First we have to findout the order of the reaction

When you divide trial 2 / Trial 1 = 0.24 x 0.7 / 0.24 x 0.35 = 0.0167 /0.0167

= 2 = 1B

20 = 1B

With respect to B order of the reaction is zero

When you divide trial 3 / Trial 1 = 0.48 x 0.35 / 0.24 x 0.35 = 0.0668 /0.0167

2A = 22

With respect to A order of the reaction is two

Hence rate equation R = k [A]2

using the equation rate constant can be calculated

0.0167 = k [0.24]2

k = 0.2899 M-1 S-1

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