November 29, 2015

Homework Help: Physics

Posted by Mariana on Saturday, December 3, 2011 at 6:06pm.

How much energy is released in the beta decay of 14 C?

Since carbon-14 decays into Nitrogen-14,
the mass of carbon 14 is 14.003242 and the mass of nitrogen 14 is 14.003074, What I did was:
(14.003242-14.003074)u * 931.5 MeV/c^2 = (0.156 MeV/c^2)*c^2 = .156 MeV

but that's not the answer, am I doint something wrong?

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