1)A liquid mixture involving ethanol and urea has a temperature of 285 K and film thickness of 2 mm.This mixture is brought to contact with an organic liquid. After waiting for the system to reach equilibrium, theurea concentrations in both sides of the contact interface were measured. The equilibrium bulk concentrationof urea in ethanol-urea mixture was recorded to be 3% by weight. Moreover, the equilibrium bulk concentrationof urea at the other side of the film was seen to be is 15% by weight. After the contact of the phases, the densityof the ethanol-urea mixture was found to be 961.7 kg/m, whereas at the other side of the film the density ofthe urea-ethanol mixture was found to be 991.7 kg/m?. It is known that ethanol and the organic liquid are notsoluble in each other. Regarding the given information, what is the flux?2)A capillary has a diameter of 15 um and a length of 0.25 m. In an open system, a gaseous mixturecontaining hydrogen (A) and nitrogen (B), having a temperature of 358 K is being diffused in the aforementionedcapillary. The mole fractions are at a constant value of xAI = 1.0 and xa2 = 0. Accordingly, for both nitrogen andhydrogen gases, what is the Knudsen diffusivity values if the pressures are given as 0.005, 0.5 and 50 atm. Thencalculate the flux with the aforementioned pressures. (R can be used as 82.057x10 m2.atm/kgmol.K)3)In a tower 2 components, named as A and B, are present. The components are mutually present bothin the gas and liquid phases. Component A, which is the solute, diffuses from the gas phase to the liquid phase.Component B, on the other hand, is the non-diffusing stagnant component. At a certain location in the tower,the bulk concentration of A in the gas phase is 45% by mole; and the bulk concentration of A in the liquid phaseis 5% by mole. The film mass-transfer coefficients in the gas phase and the liquid phase are calculated as 1.465 x10 kg mol A/s.m2.mol frac. and 1.967 x 10 kg mol A/s.m².mol frac., respectively. Considering the giveninformation, please calculate the interface concentration and the flux of A by using both liquid and gas phaseequations.YA0.000.020.050.090.130.180.250.370.530.72XA0.000.050.100.150.200.250.300.350.400.45

Solution 3) In mass transfer processes that represent the overwhelming majority of business…

3) In a tower 2 components, named as A and B, are present. The components are mutually present both in the gas and liquid phases. Component A, which is the solute, diffuses from the gas phase to the liquid phase. Component B, on the other hand, is the non-diffusing stagnant component. At a certain location in the tower, the bulk concentration of A in the gas phase is 45% by mole; and the bulk concentration of A in the liquid phase is 5% by mole. The film mass-transfer coefficients in the gas phase and the liquid phase are calculated as 1.465 x 10 kg mol A/s.m2.mol frac. and 1.967 x 10 kg mol A/s.m2.mol frac., respectively. Considering the given information, please calculate the interface concentration and the flux of A by using both liquid and gas phase equations. YA 0.00 0.02 0.05 0.09 0.13 0.18 0.25 0.37 0.53 0.72 XA 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45

3) In a tower 2 components, named as A and B, are present. The components are mutually present both in the gas and liquid phases. Component A, which is the solute, diffuses from the gas phase to the liquid phase. Component B, on the other hand, is the non-diffusing stagnant component. At a certain location in the tower, the bulk concentration of A in the gas phase is 45% by mole; and the bulk concentration of A in the liquid phase is 5% by mole. The film mass-transfer coefficients in the gas phase and the liquid phase are calculated as 1.465 x 10 kg mol A/s.m2.mol frac. and 1.967 x 10 kg mol A/s.m2.mol frac., respectively. Considering the given information, please calculate the interface concentration and the flux of A by using both liquid and gas phase equations. YA 0.00 0.02 0.05 0.09 0.13 0.18 0.25 0.37 0.53 0.72 XA 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter93: Refractometry

Section: Chapter Questions

Problem 1P

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