You have a sample 100.0 g sample of lodine-135. a) Determine the half-life of a radionuclide if after 37 days 1/32 of the sample is undecayed (radioactive). b) How many grams of the sample remain radioactive if 7/8 of the sample have decayed? c) How many grams of the sample does the 7/8 decay equal?

You have a sample 100.0 g sample of lodine-135. a) Determine the half-life of a radionuclide if after 37 days 1/32 of the sample is undecayed (radioactive). b) How many grams of the sample remain radioactive if 7/8 of the sample have decayed? c) How many grams of the sample does the 7/8 decay equal?

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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You have a sample 100.0 g sample of lodine-135.
a) Determine the half-life of a radionuclide if after 37 days 1/32 of the sample is
undecayed (radioactive).
b) How many grams of the sample remain radioactive if 7/8 of the sample have
decayed?
c) How many grams of the sample does the 7/8 decay equal?
d) How much time has elapsed if 25g of the original sample remain radioactive?
8:10 PM
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4/9/2021
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