A polyethylene film 0.15 mm thick is being considered for use in packaging a pharmaceutical product...

 

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A polyethylene film 0.15 mm thick is being considered for use in packaging a pharmaceutical product at 30 C. If the partial pressure of O2 outside is 0.21 atm and inside the package it is 0.01 atm, calculate the molar diffusion flux of O2 at steady state. Given that the product of gas solubility and gas diffusivity, that is DAB S (also referred to as permeability), is 1.86x10-13 kmol/(s.m.atm) A polyethylene film 0.15 mm thick is being considered for use in packaging a pharmaceutical product at 30 C. If the partial pressure of O2 outside is 0.21 atm and inside the package it is 0.01 atm, calculate the molar diffusion flux of O2 at steady state. Given that the product of gas solubility and gas diffusivity, that is DAB S (also referred to as permeability), is 1.86x10-13 kmol/(s.m.atm)

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