Use the following data to calculate ΔH
o
f
for CS2(l):

C(graphite) + O2(g) → CO2(g) ΔH
o
rxn
= −393.5 kJ/mol
S(rhombic) + O2(g) → SO2(g) ΔH
o
rxn
= −296.4 kJ/mol
CS2(l) + 3O2(g) → CO2(g) + 2SO2(g) ΔH
o
rxn
= −1073.6 kJ/mol

ΔH
o
f
= kJ/mol