Propanone has the molecular formula $\text{C}_3\text{H}_6\text{O}$. The enthalpy change of combustion of hydrogen is $-286\ \text{kJ mol}^{-1}$. The enthalpy change of combustion of carbon is $-394\ \text{kJ mol}^{-1}$. The enthalpy change of formation of propanone is $-254\ \text{kJ mol}^{-1}$. Using this data, what is the enthalpy change of combustion of propanone?
- A$-2644\ \text{kJ mol}^{-1}$
- B$-2294\ \text{kJ mol}^{-1}$
- C$-1786\ \text{kJ mol}^{-1}$
- D$-426\ \text{kJ mol}^{-1}$