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.
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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Question
- 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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