The enthalpy of formation of trinitrotoluene (TNT) is –67 kJ · mol^–1, and the density of TNT is 1.65 g · cm^–3. In principle, it could be used as a rocket fuel, with the gases resulting from its decomposition streaming out of the rocket to give the required thrust. In practice, of course, it would be extremely dangerous as a fuel because it is sensitive to shock. Explore its potential as a rocket fuel by calculating its enthalpy density (enthalpy change per liter) for the reaction

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4 C₂H5N306(s) + 21 O₂(g) 28 CO₂(g) + 10 H₂O(g) + 6 N₂(g)