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18) What is the activation energy for a reaction if k=1.89 x 10-8 s-1 at 540. K and k = 2.45 x 10-7 s-1 at 601 K? A. 113 kJ/mol B. 83 kJ/mol C. 410 kJ/mol D. 280 kJ/mol

18) What is the activation energy for a reaction if k=1.89 x 10-8 s-1 at 540. K and k = 2.45 x 10-7 s-1 at 601 K? A. 113 kJ/mol B. 83 kJ/mol C. 410 kJ/mol D. 280 kJ/mol

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 68E: Why awe elementary reactions involving three or more reactants very uncommon?
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General Chemistry for Engineers

Lesson: Chemical Kinetics 

Directions: Answer the following problems by showing the complete solution. In return, I will give you a good and high rating. Thank you so much!

Note: Please input the units and measurements in the calculations. Thank you so much!

Number 17 and 18

 

17) The rate constant for the reaction 3A → 4B is 6.00 × 10-3L. mol-1. min-1. How long will it take the concentration of A to drop from 0.75 M to 0.25 M? A. 2.2 x 10-³ min B. 5.5 x 10-3 min C. 180 min D. 440 min
Transcribed Image Text:17) The rate constant for the reaction 3A → 4B is 6.00 × 10-3L. mol-1. min-1. How long will it take the concentration of A to drop from 0.75 M to 0.25 M? A. 2.2 x 10-³ min B. 5.5 x 10-3 min C. 180 min D. 440 min
18) What is the activation energy for a reaction if k=1.89 x 10-8 s-1 at 540. K and k = 2.45 x 10-7 s-1 at 601 K? A. 113 kJ/mol B. 83 kJ/mol C. 410 kJ/mol D. 280 kJ/mol
Transcribed Image Text:18) What is the activation energy for a reaction if k=1.89 x 10-8 s-1 at 540. K and k = 2.45 x 10-7 s-1 at 601 K? A. 113 kJ/mol B. 83 kJ/mol C. 410 kJ/mol D. 280 kJ/mol
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