# Is this a thickness that can be ever seen experimentally?

Consider the diaphragm cell experiment. Assume each chamber is 1 m x 1 m x 1 m and that the membrane Show more Consider the diaphragm cell experiment. Assume each chamber is 1 m x 1 m x 1 m and that the membrane area is 1 m x 1 m . Assume that D_AB = 0.69 x 10^(-9) m/s^2 and that the initial concentration of A in the chambers is C_1w (t=0) = 1 M and C_2w (t=0) = 0 M. Plot how long it takes for assuming pseudo-steady state as a function of membrane thickness. Make sure to comment your code and label each axis. Here enter the number of days it takes to come to this state if the membrane is 1 mm thick. Use the semi-infinite wall approximation and calculate when the right edge of the membrane knows that the concentration has changed from the previous time. Plot these times as a function of membrane thickness. Compare to plot in the previous problem. Try plotting the two lines on the same graph up to a thickness of 100 m. At which thicknesses is it clear that the pseudo-steady state assumption is wrong (enter this value here in units of meters). Is this a thickness that can be ever seen experimentally? Show less

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