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Air at 40 degrees C is humidified by flowing over a 1-m-long container filled with water....

Air at 40 degrees C is humidified by flowing over a 1-m-long container filled with water. The surface area of container is 0.5m^2.The interfacial temperature is 20 degrees C. If the initial humidity of the air is 0% and its velocity is 0.5 m/s, calculate the mass flow rate of vapor evaporated.

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