The dissociation energy for a hydrogen-bromine bond is defined as the change in enthalpy, DH, for which of the following reactions?
(A)2 HBr(g) → H2(g) + Br2(l) (B)HBr(g) → H+(g) + Br−(g) (C)H(g) + Br(g) → HBr(g) (D)HBr(g) → H(g) + Br(g)
D