What is ΔHrxn (in kJ) for the formation of tungsten carbide

Last updated: 8/2/2022

What is ΔHrxn (in kJ) for the formation of tungsten carbide, W(s) + C(graphite) → WC(s) given: 1.2W(s) + 302(g) → 2WO3(s); ΔHrxn = -1680.6 kJ/mol 2. C(graphite) + O2(g) → CO2(g); ΔHrxn = -405.1 kJ/mol 3. 2WC(s) +502(g) → 2WO3(s) + 2CO2(g); ΔHrxn=-2391.6 kJ/mol