3M04 Mass Transfer
Assignment 1
2014
Due in class on 2 October 2014
1.
Oxygen is diffusing at 0 C in one direction in stagnant nitrogen medium under steady state condition at a
uniform pressure of 1 atm. The partial pressure values for oxygen at two locat

0.5 - Mass balance
0.5 - x1 value
0.5 - equation
0.5 - correct calculation
0.5 - showing awareness of Area Under Curve is equal to 0.76214
0.5 - finding x2 (0.25 for successful approach, 0.25 for assessment of convergence)
0.5 - mass balance
0.5 - correct

3M04 Mass Transfer
Assignment 2
2014
Due in class on Thursday 23 October 2014
1.
A thick agar gel slab is suddenly exposed on one side to a large volume of antibiotic solution in water
(concentration = 5 kg m-3). Determine the antibiotic flux across the g

3M04 Mass Transfer
Assignment 3
2014
Due in class on Thursday 27 November 2014
1.
A mixture containing 12 kg-moles of n-pentane and 18 kg-moles of n-heptane was distilled in the batch
mode and 16 kg-moles of distillate was collected during the process. Pr