jrichardson82051 jrichardson82051 30-11-2022 Chemistry contestada methane at 25 ℃ is burned in a furnace with 10% excess air preheated to 145 ℃. the fractional conversion of methane is 80% and the product gas contains 9 mol /mol . the product gases leave the furnace at 625 ℃. the combustion reactions are
