23. The rate constant for decomposition of azomethane at 425°C is 0.68 s"!. CH,N=NCH,(g) N;(g) + C,H,(g) a) Based on the units of the rate constant, is the reaction zeroth-, first-, or second-order? b) If2.0 g azomethane is placed in a 2.0-L flask and heated to 425°C, what mass of azomethane remains after 5.0 s? ) How long does it take for the mass of azomethane to drop to 0.24 g? d) What mass of nitrogen would be found in the flask after 0.50 s of reaction?

23. The rate constant for decomposition of azomethane at 425°C is 0.68 s"!. CH,N=NCH,(g) N;(g) + C,H,(g) a) Based on the units of the rate constant, is the reaction zeroth-, first-, or second-order? b) If2.0 g azomethane is placed in a 2.0-L flask and heated to 425°C, what mass of azomethane remains after 5.0 s? ) How long does it take for the mass of azomethane to drop to 0.24 g? d) What mass of nitrogen would be found in the flask after 0.50 s of reaction?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

23. The rate constant for decomposition of azomethane at 425°C is 0.68 s~',
CH,N=NCH,(g) N;(g) + C,H(g)
a) Based on the units of the rate constant, is the reaction zeroth-, first-, or second-order?
b) If2.0 g azomethane is placed in a 2.0-L flask and heated to 425°C, what mass of azomethane remains after 5.0 s?
c) How long does it take for the mass of azomethane to drop to 0.24 g?
d) What mass of nitrogen would be found in the flask after 0.50 s of reaction?

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