Thank you David. Could I trouble you to prove it by equations, showing that the sum of inlet STP volumetric flowrates equals the exit STP volumetric flowrate, step-by-step, starting with conservation of mass equation mdotA + mdotB = mdotC ?.
Two ideal gas mixture inlet flowstreams are joined to form an exiting third ideal gas flowstream mixture, no reactions involved. The pressures and temperatures of the three streams are different. The mass flowrates of the two inlet streams added together equals the mass flowrate of the exiting...