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The liquid-phase irreversible reaction A B is carried out in a CSTR. To learn the rate law, the residence time, t is varied and the effluent concentrations of species A are measured. Pure A enters the reactor at a concentration of 7.5 mol/liter in all the runs given below. Run 1 2 3 4 t (min) 1 15 30 100 CA (mol/lit) 3.2 0.72 0.46 0.21
a. Write the mole balance for the CSTR where an nth order equation is taking place (in terms of concentrations and residence time).
b. Show how you will plot the above data to obtain a straight line, and thus determine the reaction order (n) and reaction rate constant k.
c. Plot the data on the paper provided and find n and k by the method you describe in step b.
Determine the original composition of the feed mixture and the composition of the resulting extract layer. free solution
Determine the motor current and speed when the diverter-circuit resistance is made equal to the series-field resistance. Neglect saturation and the voltage drops across the series- field resistance as well as the armature resistance.
The gas density is 0.075 lb/ft3. The liquid density is 55 lb/ft3. The viscosity of the oil is 20 centipoises. Under these conditions, estimate the necessary tower diameter and the pressure drop through the tower as inches of water per foot of pack..
Do you expect that to be lower or higher than a constant temperature case of the same exposure duration?
prepare an approximate plot of temperature versus concentration
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A concern borrows $50,000 at an annual, effective, compound-interest rate of 10 percent. The concern wishes to pay off the debt in 5 years by making equal payments at the end of each year. How much will each payment have to be?
what percent of the maximum allowable flow rate is being used
where and Qp are constants for a given gas-polymer pair. Consider the diffusion of hydrogen through a poly (dimethyl siloxane) (PDMSO) sheet 20 mm thick.
The product is an equilibrium mixture of crystals and a saturated aqueous solution containing 15.4 mole% NaC2H3O2. The effluents (crystals, solution, and water vapour) are all at 50°C.4.2.1 Calculate the feed rate to the crystallizer in kmol/h. (4..
Suppose that both diodes have Rf = 10 Ω and Von = 0.5 V. Find the revised values of the resistors and voltage sources (v1 and v2) in order to accomplish the same objective.
The advanced technologies used for solar power generation
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