expression for the rate law

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter11: Chemical Kinetics: Rates Of Reactions
Section: Chapter Questions
Problem 71QRT
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For the reaction

 

4A(g) + 3B(g) →2C(g)
 
The following data were obtained at constant temperature:
 

Experiment Initial [A]
(mol/L)
Initial [B]
(mol/L)
Initial Rate(mol/L
·
min)
1 0.100 0.100 5
2 0.300 0.100 45
3 0.100 0.200 10
4 0.300 0.200 90


Pick the best expression for the rate law for the reaction:


  
k[A]2[B]
  
k[A][B]
  
k[A]4[B]3
  
k[A]2[B]1.5


Calculate k (using the data from the table),


 
 L2 mol−2min−1
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