Find the energy liberated in the reaction

223Ra 209Pb + 14C.


The atomic masses needed are as follows.


223Ra 209Pb 14C


223.018 u 208.981 u 14.003 u






MPb = mass of Pb209=208.981 u


MC = mass of C14 =14.003 u


MRa = mass of Ra223=223.018 u




The energy released is 31.671 MeV


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