2 N2O5 (s) → 4 NO2 (g) + O2 (g)   Rate Constant (L mol-1 s-1) Temperature (°C) 7.8 400 10 410 14 420 18 430 24 440   Determine the activation energy (graphically) in kilojoules per mole and the pre- exponential factor for the reaction.

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 11.ACP: (Section 11-5) A rule of thumb is that for a typical reaction, if concentrations are unchanged, a...
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  • What is the effect of temperature on the rate constants of most of the reactions?
  • Discuss the interpretation of the Arrhenius parameters.
  • The following data were collected for the reaction:

2 N2O5 (s) → 4 NO2 (g) + O2 (g)

 

Rate Constant (L mol-1 s-1)

Temperature (°C)

7.8

400

10

410

14

420

18

430

24

440

 

Determine the activation energy (graphically) in kilojoules per mole and the pre- exponential factor for the reaction.

 

  • Distinguish between homogeneous and heterogeneous catalysts.
  • Outline the main steps taking place during the catalytic formation of ammonia molecules from hydrogen and nitrogen on the surface of a catalyst.
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