Question: Helium gas is stored at 293 K and 500 kPa in a 1-cmthick, 2-m-inner-diameter spherical tank made of fused silica (SiO 2 ). The area

Helium gas is stored at 293 K and 500 kPa in a 1-cmthick, 2-m-inner-diameter spherical tank made of fused silica (SiO2). The area where the container is located is well ventilated. Determine

(a) The mass flow rate of helium by diffusion through the tank

(b) The pressure drop in the tank in one week as a result of the loss of helium gas.

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To determine the mass flow rate of helium by diffusion through the tank and the pressure drop in the tank in one week we need to use Ficks law of diffusion and ideal gas law along with some relevant m... View full answer

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Heat And Mass Transfer Fundamentals And Applications 5th Edition by Yunus Cengel, Afshin Ghajar