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# An open circular tank of 0 25 m diameter contains Benzene at 280C It is exposed to atmosphere In such a manner that the liquid is covered by a stagnant air film of 2.0 cm high The concentration of

### An open circular tank of 0 25 m diameter contains Benzene at 280C It is exposed to atmosphere In such a manner that the liquid is covered by a stagnant air film of 2.0 cm high The concentration of

##### An open circular tank of 0.25 m diameter contains Benzene at 280C . It is exposed to atmosphere In such a manner that the liquid is covered by a stagnant air film of 2.0 cm high. The concentration of Benzene beyond air film may be assumed negligible. The following data may be assumed: Vapor pressure of Benzene at 280C = 100 mm Hg. DBenzene-Air = 0.09 cm2 /s. ρBenzene =880 kg / m3. If the cost of Benzene is Rs. 20 /L, find the loss incurred per year At 00C, diffusivity DAB = 6.12 x 10-5 m2 /s. What is the value of diffusivity DAB at 1000 C? A and B are gaseous molecules.
mahesh 08-Aug-2020