Formaldehyde (along with water) is produced from methane and oxygen in a packed bed reactor using a special catalyst. Unfortunately, methane may also be burned completely in an undesirable side reaction. Assume that an equimolar mixture of methane and oxygen enter the reactor with a total molar feedrate of 100 mol/min. (a) What are the two balanced chemical reactions involved in this process? (b) Draw and label a flowsheet for this process and do a dof analysis using extents. (c) If the methane conversion is 90% and the formaldehyde yield is 0.85, what is the composition of the reactor effluent stream? What is the formaldehyde selectivity compared to the undesirable product?

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