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July 29, 2015

Homework Help: Chemistry

Posted by Zoa on Thursday, April 8, 2010 at 4:02pm.

The half-life for radioactive decay of 14C is 5730 years (it emits β-particles with energy
of 0.16 MeV). An archaeological sample contained wood that had only 72% of the 14C
found in living trees. What is its age?

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