6. The heat of formation of ethane (C2H6) is 20.24kcal/mol. a. Write the stoichiometric reaction for the oxidation of 1 mole of ethane with oxygen to form CO2 and H2O. b. If this reaction takes place at a constant temperature of 298K and a constant pressure of 1atm, compute the heat of reaction. c. If the reactants are at 298K, but the products are at 1000K, compute the heat of reaction. 7. Determine the enthalpy of formation in kJ/kmol for methane, given the lower heating value of 50,016kJ/kg at 298K