The reaction rate for the decomposition of N2O5 to form NO2 and O2 was studied as a function of temperature. The first order reaction rate constants were found to be: T (K)     k(s^-1) 273      7.9 x 10^-7 298      3.5 x 10^-5  308      1.4 x 10^-4 318      5.0 x 10^-4 328      1.5 x 10^-3 338      4.9 x 10^-3   What is the Ea for this reaction in kJ/mol?   Use Excel to plot the pertinent data and use linear regression to calculate the slope of the line connecting your data.    Round your answer to 2 decimal places.

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.96PAE: The following statements relate to the reaction for the formation of HI: H2(g) + I2(g) -* 2 HI(g)...
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The reaction rate for the decomposition of N2O5 to form NO2 and O2 was studied as a function of temperature. The first order reaction rate constants were found to be:

T (K)     k(s^-1)

273      7.9 x 10^-7

298      3.5 x 10^-5 

308      1.4 x 10^-4

318      5.0 x 10^-4

328      1.5 x 10^-3

338      4.9 x 10^-3

 

What is the Ea for this reaction in kJ/mol?

 

Use Excel to plot the pertinent data and use linear regression to calculate the slope of the line connecting your data. 

 
Round your answer to 2 decimal places.
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