Consider this reaction: 2NH; (g) → N, (g) +3H, (g) At a certain temperature it obeys this rate law. [NH, rate =(0.0439 M's Suppose a vessel contains NH, at a concentration of 0.430M. Calculate how long it takes for the concentration of NH, to decrease to 15.0% of its initial value. You may assume no other reaction is important. Round your answer to 2 significant digits.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Consider this reaction:
2NH; (g) → N2 (g)+3H2 (g)
At a certain temperature it obeys this rate law.
(0.0439 M¯'-s
-1
)[NH,]
rate =
Suppose a vessel contains NH, at a concentration of 0.430M. Calculate how long it takes for the concentration of NH, to decrease to 15.0% of its initial value.
You may assume no other reaction is important.
Round your answer to 2 significant digits.
Ox10
Transcribed Image Text:Consider this reaction: 2NH; (g) → N2 (g)+3H2 (g) At a certain temperature it obeys this rate law. (0.0439 M¯'-s -1 )[NH,] rate = Suppose a vessel contains NH, at a concentration of 0.430M. Calculate how long it takes for the concentration of NH, to decrease to 15.0% of its initial value. You may assume no other reaction is important. Round your answer to 2 significant digits. Ox10
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