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I need help with a question regarding the unit curie and half-lives!

 
 
Reply Tue 3 Aug, 2010 09:54 pm
The unit curie is defined as a disintegration rate of 3.7 x 10^10 dis/s. What mass of 90Sr, with a half-life of 29 y, is required to produce 1.00 millicurie of radiation?
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Type: Question • Score: 0 • Views: 2,719 • Replies: 1
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Butrflynet
 
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Reply Tue 10 Aug, 2010 06:12 pm
@bjbaltze,
http://en.wikipedia.org/wiki/Curie
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