The activation energy (E,) of the reaction can be determined experimentally using an Arrhenius plot. A group of students performed several trials at different temperatures and collected the following data for decomposition of H2O2 in the presence of KI. Temperature (K) Rate Constant, k 273 4.38 x 10-4 283 5.52 x 10-4 293 6.67 x 104 303 9.34 x 104 Before you continue, in LoggerPro, make an Arrhenius plot of the In of the rate constant (y-axis) vs. the 1/T (x-axis) as described on p. 47 and the Introduction. • What is the slope of the Arrhenius plot? -2041 • What are the units for the x-axis of this plot? [ Select] • What is the correlation of the Arrhenius plot? [ Select] • Calculate the energy of activation (slope = - E,/R in units of kJ/mol) [Select]

The activation energy (E,) of the reaction can be determined experimentally using an Arrhenius plot. A group of students performed several trials at different temperatures and collected the following data for decomposition of H2O2 in the presence of KI. Temperature (K) Rate Constant, k 273 4.38 x 10-4 283 5.52 x 10-4 293 6.67 x 104 303 9.34 x 104 Before you continue, in LoggerPro, make an Arrhenius plot of the In of the rate constant (y-axis) vs. the 1/T (x-axis) as described on p. 47 and the Introduction. • What is the slope of the Arrhenius plot? -2041 • What are the units for the x-axis of this plot? [ Select] • What is the correlation of the Arrhenius plot? [ Select] • Calculate the energy of activation (slope = - E,/R in units of kJ/mol) [Select]

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 11.92PAE

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