In a nuclear reaction ;

PHYSICS · Subjective · A Level · Physics · Nuclear physics · Nuclear physics

Problem

In a nuclear reaction

^{19}_{8}O \longrightarrow ^{19}_{8}O

;

\Delta E = 4.5 \times 10^{8} \text{ kJ mol}^{-1}

. The mass difference in excited state of

^{19}O

and ground state of

^{19}O

per mol in mg is.....