Determine the Q-value of the following reaction ²₁H+³₁H → ⁴₂He+n given m(²₁H) = 2.014102u, m(³₁H) =3.01649u m(n) = 1.008665u , m(⁴₂He) = 4.002603u , lu = 931.5 Mev/c²