H11, H21, and H31 are examples of isobars.
Calculate the Q-values of the following fusion reactions:
(a) 21H+21H→31H+11H
(b) 21H+21H→23He+n
(c) 21H+31H→24He+n
Atomic masses are m(21He)=2.014102 u,m(31He)=3.016049 u,m(32He)=3.016029 u,m(42He)=4.002603 u.