Part D please The equation for the decay isRn+ Po + HeWhat is the decay constant (k) for radon-222?k = 2.1x10^-6V s1CorrectThe constant can be calculated as follows0.6930.6931 d1 hk =t1/2= 2.10 x 10-63.82 d24 h3600 sd 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

Curie, denoted as 'Ci', indicates the amount of disintegrations that take place within a unit time.…

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

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

Part D please

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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