3. Plutonium 238 is a radioactive element that decays at a rate of 0.8% per year. (a) What percentage of an initial supply of 250 grams Plutonium 238 will remain after 30 years? (b) How many years will it be until an initial supply of 750 grams of Plutonium 238 has decayed to half of its initial mass?

3. Plutonium 238 is a radioactive element that decays at a rate of 0.8% per year. (a) What percentage of an initial supply of 250 grams Plutonium 238 will remain after 30 years? (b) How many years will it be until an initial supply of 750 grams of Plutonium 238 has decayed to half of its initial mass?

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

3. Plutonium 238 is a radioactive element that decays at a rate of 0.8% per year.
(a) What percentage of an initial supply of 250 grams Plutonium 238 will remain after 30 years?
(b) How many years will it be until an initial supply of 750 grams of Plutonium 238 has decayed to half
of its initial mass?

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