Reactions		Stoichiometry	ΔH° 298 (MJ/kmol)
R1	Evaporation	Wet coal → dry coal + H2O	+20
R2	Pyrolysis	Dry coal → char + volatiles + tar	0
R3	Char combustion	C + ½ O2 → CO	−111
R4	Char combustion	C + O2 → CO2	−393
R5	Steam gasification	C + H2O → H2 + CO	+131
R6	Boudouard reaction	C + CO2 → 2CO	+172
R7	Hydrogasification	C + 2H2 → CH4	−75
R8	Combustion	H2 + ½ O2 → H2O	−242
R9	Combustion	CO + ½ O2 → CO2	−283
R10	Combustion	CH4 + 2O2 → CO2 + 2H2O	−802