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April 26, 2015

Homework Help: Chemistry

Posted by Diamond on Friday, September 21, 2012 at 12:54am.

A 1.50- gas sample at 722 and 25.0 contains 7.56 radon-220 by volume. Radon-220 is an alpha-emitter with a half-life of 55.6. How many alpha particles are emitted by the gas sample in 3.00 minutes?

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