List of top Chemistry Questions on bond energies asked in MET

\( C(s) + O_2(g) \rightarrow CO_2(g) \quad \Delta H = -94 \, \text{kcal} \)
\( 2CO(g) + O_2(g) \rightarrow 2CO_2(g) \quad \Delta H = -135.2 \, \text{kcal} \)
The heat of formation of \( CO(g) \) is: