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At a certain temperature the rate of this reaction is first order in NH, with a rate constant of 0.00720 s: 2NH, (g) – N, (g) + 3H, (g) Suppose a vessel contains NH, at a concentration of 0.250 M. Calculate how long it takes for the concentration of NH, to decrease to 0.0250 M. You may assume no other reaction is important. Round your answer to 2 significant digits.

At a certain temperature the rate of this reaction is first order in NH, with a rate constant of 0.00720 s: 2NH, (g) – N, (g) + 3H, (g) Suppose a vessel contains NH, at a concentration of 0.250 M. Calculate how long it takes for the concentration of NH, to decrease to 0.0250 M. You may assume no other reaction is important. Round your answer to 2 significant digits.

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter13: Chemical Kinetics
Section: Chapter Questions
Problem 13.50QE
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At a certain temperature the rate of this reaction is first order in NH, with a rate constant of 0.00720 s 2NH, (g) – N, (g) + 3H, (g) Suppose a vessel contains NH, at a concentration of 0.250M. Calculate how long it takes for the concentration of NH, to decrease to 0.0250 M. You may assume no other reaction is important. Round your answer to 2 significant digits.
Transcribed Image Text:At a certain temperature the rate of this reaction is first order in NH, with a rate constant of 0.00720 s 2NH, (g) – N, (g) + 3H, (g) Suppose a vessel contains NH, at a concentration of 0.250M. Calculate how long it takes for the concentration of NH, to decrease to 0.0250 M. You may assume no other reaction is important. Round your answer to 2 significant digits.
Some measurements of the initial rate of a certain reaction are given in the table below. [N:] H, initial rate of reaction 0.692 M 0.904 M 1.00 x 10 M/s 0.692 M 0.132 M 1.46 x 10 M/s 2.83 M 0.904 M 1.67 x 10°M/s Use this information to write a rate law for this reaction, and calculate the value of the rate constant k. Round your value for the rate constant to 3 significant digits. Also be sure your answer has the correct unit symbol. rate k =
Transcribed Image Text:Some measurements of the initial rate of a certain reaction are given in the table below. [N:] H, initial rate of reaction 0.692 M 0.904 M 1.00 x 10 M/s 0.692 M 0.132 M 1.46 x 10 M/s 2.83 M 0.904 M 1.67 x 10°M/s Use this information to write a rate law for this reaction, and calculate the value of the rate constant k. Round your value for the rate constant to 3 significant digits. Also be sure your answer has the correct unit symbol. rate k =
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