A 235U nucleus absorbs a slow neutron and undergoes fission according to
235U + n → 141Ba + 92Kr + 3 n.
Calculate the energy released, in MeV, for one such fission event.
Atomic masses
• 235U: 235.043929 u
• neutron: 1.008665 u
• 141Ba: 140.914411 u
• 92Kr: 91.926156 u
Use 1 u ↔ 931 MeV / c².