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At 25C, 200 cm^3 of Ar gas is passed through a 1 m tube with a diameter of 1 mm in 8 seconds. Given that

At 25C, 200 cm^3 of Ar gas is passed through a 1 m tube with a diameter of 1 mm in 8 seconds. Given that the pressure difference between the inside (P1) and outside (P2) of the gas is 0.013 bar,

a) what is the viscosity of the gas?

b) calculate the maximum value of the average velocity for laminar flow. The density of the gas is g = 1.784 kg/m^3.

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