6 Arsenic-76 decays by beta emission. If 1.8x10 mol of 76As emits 2.1x1012 beta particles persecond, find the specific activity in Ci/g (1 Ci = 3.7x1010 d/s).4.15x101.17x1003.15x103.70x10101.54x10 Lead-200 decays to Thallium-200 by positron emission. The half-life of Pb-209 is 22 hours.What is the decay constant (3 significant figures) in h'2 0.0315How long in hours (2 significant figures) will it take to form 7.7 grams of TI-200 from 14.3 gramsof Pb-200? 4.2Do not include units.

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Answered: Arsenic-76 decays by beta emission, If…

Arsenic-76 decays by beta emission, If 1.8x10 mol of 70As emits 2.1x1012 beta particles per second, find the specific activity in Ci/g (1 Ci = 3.7x1010 d/s). 4.15x10 17x10 3.15x10 3.70x1010 154x10

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

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Question

Arsenic-76 decays by beta emission. If 1.8x10 mol of 76As emits 2.1x1012 beta particles per
second, find the specific activity in Ci/g (1 Ci = 3.7x1010 d/s).
4.15x10
1.17x100
3.15x10
3.70x1010
1.54x10

Lead-200 decays to Thallium-200 by positron emission. The half-life of Pb-209 is 22 hours.
What is the decay constant (3 significant figures) in h'2 0.0315
How long in hours (2 significant figures) will it take to form 7.7 grams of TI-200 from 14.3 grams
of Pb-200? 4.2
Do not include units.

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