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Science
Chemistry
activation energy

activation energy

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Rate Constant at various Temperatures Temperature (°C) Rate Constant (s 1) 148.0 2.34 x 104 197.0 3.13 x 10-3 247.0 2.45 x10-2 296.0 1.38 x 10-1 Generate a graph using the above data and determine the activation energy (in kJ) for the reaction 2 NO2 (g) → N204 (g). Include an image of your graph in your work. (HINT: Look at what units you are provided and think about what units the graph would need!)
Transcribed Image Text:Rate Constant at various Temperatures Temperature (°C) Rate Constant (s 1) 148.0 2.34 x 104 197.0 3.13 x 10-3 247.0 2.45 x10-2 296.0 1.38 x 10-1 Generate a graph using the above data and determine the activation energy (in kJ) for the reaction 2 NO2 (g) → N204 (g). Include an image of your graph in your work. (HINT: Look at what units you are provided and think about what units the graph would need!)
Expert Solution
Step 1

                   Temperature coefficient = ϕ

         R = R (  ϕ ) ∆T/10

 ln(k2/k1) = Ea /R( 1/T1-1/T2 )

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