Problem 37E
[21.39] Rates of Radioactive Decay (Section)
Radium-226, which undergoes alpha decay, has a half-life of 1600 yr.
(a) How many alpha particles are emitted in 5.0 min by a 10.0-mg sample of 226Ra? (b) What is the activity of the sample in mCi?
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Things I Enjoyed in Portland (in no particular order) 1. Pioneer Courthouse Square—this is a hub for the MAX station because you can switch to a bunch of different lines here. There’s also events that happen here and festivals sometimes, as well as a visitor’s center where you can get a map. 2. Voodoo Donuts a. Keep Portland Weird Sign is in that area. It’s in a...
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Chapter 21, Problem 37E is Solved
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