3. Radioactive material is known to decay at a rate proportional to the amount present. Initially there are 200 kg present and after 10 years, it has lost 2% of its original amount. Determine the mass after 15 years. Ans. 194.03 kg dP / dT = -kP

3. Radioactive material is known to decay at a rate proportional to the amount present. Initially there are 200 kg present and after 10 years, it has lost 2% of its original amount. Determine the mass after 15 years. Ans. 194.03 kg dP / dT = -kP

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

I need solution using the dP/dT = -kP

3.
Radioactive material is known to decay at a rate
proportional to the amount present. Initially there
are 200 kg present and after 10 years, it has lost
2% of its original amount. Determine the mass
after 15 years.
Ans. 194.03 kg
dP / dT = -kP

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