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Chemistry: The Molecular Science

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 20QRT

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Consider this reaction:
2N2O5 (g) → 2N204 (g) + O2 (g)
At a certain temperature it obeys this rate law.
= (5.36 M¯¹·s˜¯¹) [N₂05]²
M1
rate =
S
Suppose a vessel contains N2O5 at a concentration of 0.350M. Calculate how long it takes for the concentration of N2O5 to decrease to 16.0% of its initial
value. You may assume no other reaction is important.
Round your answer to 2 significant digits.
☐ s
☐ x10
G

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