Задача 60369.

Determine the mass of the nucleus of an atom 12C6, if in the course of a nuclear reaction: 12C6 + 3T1 = 15N7 allocated 14.99 MeV. Mass of nitrogen nucleus 24.909 * 10 ^ -27 kg, and the nucleus of an atom of tritium 5.0084 * 10 ^ -27 kg.

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