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A +B - C [AJ(M) B](M) Initial Rate (M/h) 0.213 0.144 117 0.302 0.144 355 0.213 0.353 541 Find the order with respect to A.

A +B - C [AJ(M) B](M) Initial Rate (M/h) 0.213 0.144 117 0.302 0.144 355 0.213 0.353 541 Find the order with respect to A.

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter12: Kinetics
Section: Chapter Questions
Problem 1E: What is the difference between average rate, initial rate, and instantaneous rate?
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A +B - C [AJ(M) B](M) Initial Rate (M/h) 0.213 0.144 117 0.302 0.144 355 0.213 0.353 541 Find the order with respect to A.
Transcribed Image Text:A +B - C [AJ(M) B](M) Initial Rate (M/h) 0.213 0.144 117 0.302 0.144 355 0.213 0.353 541 Find the order with respect to A.
Expert Solution
Step 1 Order with respect to A

Rate = k [A]a [B]b

To find order with respect to A

lets cosider following equation from above table 

 117  =  (0.213 )a (0.144)b .......................(1)

355 =  (0.302 )a (0.144)b .......................(2)

devide equation (2) by equation (1)

we get ,

355 / 117  =  (0.302 )a  / (0.213 )a  

3.03412  =  (1.4178 )a 

solve for a 

by taking log of both side 

log 3.0342 = a  log 1.4178

 a = log 3.0342 / log 1.4178

a = 0.4820 / 0.1516

 a = 3.179

a  = 3

 

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