Question 2. Use the integrated rate laws to answer the following questions. (5 points each) A). You study a decomposition reaction and determine that it is first order with respect to reactant A and it has a rate constant of 0.0455 day. If you start with an initial concentration of A of 0.350 M, how long will it take for the concentration of A to drop to 0.100 M? B) A certain drug has been prepared to a concentration of 0.0350 M and decays with a rate constant of 0.324 M'day. The drug is known to lose its effectiveness below a concentration of 0.00325 M. What is the shelf life of this drug? C) A radioactive substance has a half life of 245 years. If you start with a 455 g sample of the substance, how much will remain radioactive after 622 years?

Question 2. Use the integrated rate laws to answer the following questions. (5 points each) A). You study a decomposition reaction and determine that it is first order with respect to reactant A and it has a rate constant of 0.0455 day. If you start with an initial concentration of A of 0.350 M, how long will it take for the concentration of A to drop to 0.100 M? B) A certain drug has been prepared to a concentration of 0.0350 M and decays with a rate constant of 0.324 M'day. The drug is known to lose its effectiveness below a concentration of 0.00325 M. What is the shelf life of this drug? C) A radioactive substance has a half life of 245 years. If you start with a 455 g sample of the substance, how much will remain radioactive after 622 years?

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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