One of the nuclides in spent nuclear fuel is UU-235, an alpha emitter with a half-life of 703 million years. How long would it take for the amount of UU-235 to reach 1/4 of its initial amount?     _____million years

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
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Chapter19: Nuclear Chemistry
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One of the nuclides in spent nuclear fuel is UU-235, an alpha emitter with a half-life of 703 million years.

How long would it take for the amount of UU-235 to reach 1/4 of its initial amount?  

 

_____million years      

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