Use the thermochemical equations shown below to determine
the enthalpy (kJ) for the reaction:
H2SO3(l)=>H2S(g) + 3/2O2(g)
H2SO3(l)=>H2O(l) +SO2(g) DH=62KJ
SO2(g)=>S(s) + O2(g) DH=297KJ
H2S(g) + 1/2O2(g)=>S(s) + H2O(l) DH=-155KJ