For sweating and cutting, fuel gas is needed. (C2H2)Why don 't you take the cheaper methane ? (CH4)? Note: For both gases, formulate the combustion reaction and determine per (!) molecule C2H2 The Commission shall adopt delegated acts in accordance with this Article. CH4 The reaction enthalpy! ΔHof(CH4) = -75 The following is the list of countries:mol ΔHof(C2H2) = 227 The following is the list of countries:mol ΔHof(H2O) = -285 The following is the list of countries:mol ΔHof(CO2) = -393 The following is the list of countries:mol