Question: What is the convection mass transfer coefficient associated with fully developed atmospheric airflow at 27C and 0.04 kg/s through a 50-mm-diameter tube whose surface has

What is the convection mass transfer coefficient associated with fully developed atmospheric airflow at 27°C and 0.04 kg/s through a 50-mm-diameter tube whose surface has been coated with a thin layer of naphthalene? Determine the velocity and concentration entry lengths.

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