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The U.S. Environmental Protection Agency recommends that the concentration of radon gas in dwellings not exceed 4.0 piCi per liter of air. What mass of Rn-222 would be in a 8.0L sample of air that had a decay rate of 4.0 piCi? Mass =

The U.S. Environmental Protection Agency recommends that the concentration of radon gas in dwellings not exceed 4.0 piCi per liter of air. What mass of Rn-222 would be in a 8.0L sample of air that had a decay rate of 4.0 piCi? Mass =

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter21: Nuclear Chemistry
Section: Chapter Questions
Problem 39E: A sample of rock was found to contain 8.23 mg of rubidium-87 and 0.47 mg of strontium-87.. (a)...
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The equation for the decay is Rn + Po + He What is the decay constant (k) for radon-222? k = 2.1x10^-6 V s1 Correct The constant can be calculated as follows 0.693 0.693 1 d 1 h k = t1/2 = 2.10 x 10-6 3.82 d 24 h 3600 s d The U.S. Environmental Protection Agency recommends that the concentration of radon gas in dwellings not exceed 4.0 pici per liter of air. What mass of Rn-222 would be in a 8.0 L sample of air that had a decay rate of 4.0 piCi? Mass = g
Transcribed Image Text:The equation for the decay is Rn + Po + He What is the decay constant (k) for radon-222? k = 2.1x10^-6 V s1 Correct The constant can be calculated as follows 0.693 0.693 1 d 1 h k = t1/2 = 2.10 x 10-6 3.82 d 24 h 3600 s d The U.S. Environmental Protection Agency recommends that the concentration of radon gas in dwellings not exceed 4.0 pici per liter of air. What mass of Rn-222 would be in a 8.0 L sample of air that had a decay rate of 4.0 piCi? Mass = g
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