the amount of energy (in $\mathrm{kJ} / \mathrm{mol}$ ) released during this process is (given ${ }^{235} \mathrm{U}=235.0439$ amu, ${ }^{142} \mathrm{Ba}=$
Answer
SELF-PRACTICE — the source book printed no answer.
Nothing is invented here, so this question has no answer on record.