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Problem: The stagnant liquid B in a container that is 10 cm high (L = 10 cm)is exposed to the non-reactant gas A at time t = 0. The concentration of A, dissolved physically in B, reaches cAo = 0.01mol/m3 at the interface instantly and remains constant. The diffusion coefficient of A in B is DAB = 2x10-9 m2/s. Determine the evolution of the concentration of A within the container. In the second part, repeat it but this time consider that A reacts with B according to the following reaction
A+B → C -rA = 2 x 10-7cA, mol/s.m3
what would be the original cost of the equipment?
Calculate the power transferred across the air gap, the rotor copper loss at full load, and the electromagnetic torque at full load in newton-meters.
The feed contains 10 mol% acetone. Acetone of at least 95 mol% purity is wanted, and the aqueous effluent must not contain more than 1 mol% acetone. The feed will be a saturated liquid. Estimate the number of ideal stages required.
A Carnot cycle operating between 600 °C and 25 °C absorbs 1000 kJ of heat from the high-temperature reservoir. The work produced is used to power another Carnot cycle which transfers 1000 kJ of heat from 600 °C to a reservoir at higher temperature..
Design a reactor system to produce 40 metric tons per year of riboflavin using the strain given in the patent.
During the research that led to production of the two atomic bombs used against Japan in World War II, different mechanisms for obtaining a supercritical mass of fissionable material were investigated.
Calculate the equilibrium conversion and the CSTR and PFR volumes necessary to achieve 98% of the equilibrium conversion and calculate the time to reach 90% conversion if the reactor is a batch reactor filled to the brim.
The following information for methyl chloride is available: Saturation temperature at 2 bar: - 7 °C.ΔHvap at 2 bar: 21.5 kJ/mol.CP of vapor: 38 J/mol K. Assume CH3 Cl vapor may be assumed to be ideal. Is this a good assumption?
What is the magnitude of the signal, in volts, that you could expect from the microphone? Assume that we get a maximum signal when the flux varies from 0 to the value of Φ calculated in Part B. (Assume that sound has a frequency of order 500Hz.)Volta..
Determine the temperature and pressure of the steam in its intermediate state between the two turbines. What is the overall efficiency of the two turbines together with respect to isentropic expansion of the steam from the initial to the final sta..
If the feed contains 0.2% argon (from the nitrogen separation process), calculate the purge rate required to hold the argon in the recycle stream below 5.0%. Percentages are by volume.
What is the expansion factor of this scheme and what are its visual threshold values?
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