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A spherical rubber container of diameter 200mm and wall thickness 0.7mm contains a gas at a pressure of 5 bar. The container is placed in air of pressure 1bar and temperature 20C. Determine the initial rate at which the pressure in the container changes if the gas is pure oxygen, in bar/s. Determine the time rate of pressure change if the gas is pure nitrogen, in bar/s. Assume air is composed exclusively of O2 and N2, with their partial pressures in the ratio 0.21:0.79. (dtdpA)O2=(dtdpA)N2=bar/sbar/s A spherical rubber container of diameter 200mm and wall thickness 0.7mm contains a gas at a pressure of 5 bar. The container is placed in air of pressure 1bar and temperature 20C. Determine the initial rate at which the pressure in the container changes if the gas is pure oxygen, in bar/s. Determine the time rate of pressure change if the gas is pure nitrogen, in bar/s. Assume air is composed exclusively of O2 and N2, with their partial pressures in the ratio 0.21:0.79. (dtdpA)O2=(dtdpA)N2=bar/sbar/s