1. The thermal decomposition of acetone, (CH3)2C=0, at 600°C is a first order (1) reactionwith a half-life of 80 seconds (s).a. Calculate the rate constant (k)!b. How long does it take for 25% of a given sample to decompose ?2. The data below is obtained from the decay of methyl radicals which is a second orderreaction:Number Time (sekon)[CH3•] (M)10 x 10-612,5 x 10-710 x 10-610,0 x 10-7a. Calculate the rate constant (k)!b. Calculate the half-life of the decay!

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1. The thermal decomposition of acetone, (CH3)2C=0, at 600°C is a first order (1) reaction with a half-life of 80 seconds (s). a. Calculate the rate constant (k)! b. How long does it take for 25% of a given sample to decompose ?

1. The thermal decomposition of acetone, (CH3)2C=0, at 600°C is a first order (1) reaction with a half-life of 80 seconds (s). a. Calculate the rate constant (k)! b. How long does it take for 25% of a given sample to decompose ?

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

1. The thermal decomposition of acetone, (CH3)2C=0, at 600°C is a first order (1) reaction
with a half-life of 80 seconds (s).
a. Calculate the rate constant (k)!
b. How long does it take for 25% of a given sample to decompose ?
2. The data below is obtained from the decay of methyl radicals which is a second order
reaction:
Number Time (sekon)
[CH3•] (M)
1
0 x 10-6
12,5 x 10-7
10 x 10-6
10,0 x 10-7
a. Calculate the rate constant (k)!
b. Calculate the half-life of the decay!

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