Given: `C+O_(2)toCO_(2),DeltaH^(0)=-xkJ`
`2CO+O_(2)to2CO_(2),DeltaH^(0)-y` kJ
Heat of formation of carbon monoxide will be-

Given that C+O_(2)rarrCO_(2),DeltaH^(@)=-xKJ and 2CO+O_(2)rarr2CO_(2),DeltaH^(@)=-yKJ The enthalpy of formation of carbon monoxide will be

Given that C+O_(2)rarrCO_(2),DeltaH^(@)=-xKJ and 2CO+O_(2)rarr2CO_(2),DeltaH^(@)=-yKJ The enthalpy of formation of carbon monoxide will be

Given that C+O_(2)rarrCO_(2),DeltaH^(@)=-xKJ and 2CO+O_(2)rarr2CO_(2),DeltaH^(@)=-yKJ The enthalpy of formation of carbon monoxide will be

Given that C + O_2 rarr CO_(2) , DeltaH^@ = -xkJ 2CO + O_2 rarr 2CO_2 , DeltaH^@ = -y kJ The enthalpy of formation of carbon monoxide will be