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hayowazzup
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Homework Statement
Radium-226 decays with a half-life of 1.60E3 years via the process:
Ra -> Rn + He + Energy
(Masses : Ra = 226.025403u, Rn = 222.017570u, He - 4.002603u)
How much energy, in MeV, is released in each decay?
Homework Equations
E= mc^2
The Attempt at a Solution
E of Ra - E of Rn - E of He = Energy released
Energy = mc^2 - mc^2 -mc^2
E = (226.025403)(3E+8)-(222.017570)(3E+8)-(4.002603)(3E+8)= 1568700J = 9.79E+24 = 9.79E+18 MeV ?