Propane, cahs, is the fuel used in barbeque gas bottles. the complete combustion of 12.0 g of propane produces 547 kj of heat energy a) write a thermochemical equation for the combustion of propane [4 marks] b) calculate the enthalpy of combustion of propane gas in kj/mol. 3 marks] identify the reductant in the combustion reaction and write the half equation for the reaction that happens to it