Thursday
April 24, 2014

Homework Help: math

Posted by Matthew on Sunday, March 17, 2013 at 11:03pm.

A quantity of oxygen gas had 16.32 g of the radioactive isotope oxygen-19 in it. When measured exactly 10 minutes later, the amount of oxygen-19 was 0.964 g. What is the half-life, in seconds, of oxygen-19?

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