From the thermochemical reactions,
`C_(("graphite"))+(1)/(2)O_(2)toCO,DeltaH=-110.5kJ`
`CO+(1)/(2)O_(2)toCO_(2),DeltaH=-283.2kJ`
the heat of reaction of `C_(("graphite"))+O_(2)toCO_(2)` is:

From the thermochemical reactions, C(graphite) +1//2O_(2)rarr CO , Delta H = -110.5 KJ CO+1//2O_(2)rarr CO_(2),Delta H=-283.2 KJ the heat of reaction of C(graphite) +O_(2)rarr CO_(2) is :

From the thermochemical reactions, C(grap hite)+1//2O_(2)rarr CO , Delta H =-110.5 KJ CO+1//2O_(2)rarr CO_(2),Delta H=-283.2 KJ The heat of reaction of C(graph ite) +O_(2)rarr CO_(2) is :

Given, C graphite +(1)/(2)O_(2)=CO, DeltaH = -10.5 kj …(i) …(ii) CO+(1)/(2)O_(2)=CO_(2),DeltaH = 283.2 kj The heat of reaction of C graphite + O_(2) = CO_(2) is

Form the thermochemical reactions. C(graphite) +1//2 O_(2)(g) to CO(g), triangleH=-110.5kJ CO(g)+1//2O_(2)(g) to CO_(2)(g), triangleH=-283.2kJ The enthalpy ofreaction of C(graphite) +O_(2)(g) to CO_(2)" is "

Form the thermochemical reactions. C(graphite) +1//2 O_(2)(g) to CO(g), triangleH=-110.5kJ CO(g)+1//2O_(2)(g) to CO_(2)(g), triangleH=-283.2kJ The enthalpy ofreaction of C(graphite) +O_(2)(g) to CO_(2)" is "

From the thermochemical reactions, C_ graphite+1//2O_2=CO , triangleH=-110.5 kJ CO+1//2O_2=CO_2, triangleH=-283.2 kJ triangleH for the reaction, C_graphite+O_2=CO_2 is:

C(s)+O_(2)(g)toCO_(2)(g),DeltaH=-94 kcal 2CO(g)+O_(2)to2CO_(2),DeltaH=-135.2 kcal The heat of formation of CO(g) is