The standard heat of the combustion reaction of liquid n-hexane to form CO2(g) and H2O(I), with all reactants and products at 77F and 1atm, is Ht=1.791106Btu. The heat of vaporization of hexane at 77F is 13.550Btu/lb-mole and that of water is 18,934 Btu/lbmole Use the given data to calculate H(Btu) for the combustion of n-hexane vapor to form CO2(g) and H2O(g). 106Btu