Q02/ Ammonia is diffusing through an inert air film 2 mm thick at a temperature of 26 °C and a pressure of 1 atm. The concentration of ammonia is 10% by volume on one side of the film and zero on the other side. DAB at 0 °C and 1 atm 0.198 cm²/s. Estimate rate of diffusion if the temperature is 20 °C and the pressure is raised to 5 atm.

Q: Two bulbs are connected by a straight tube, 0.001 m in diameter and 0.15 m in length. Initially the…

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Q: Q2// A tube of 1 cm inside diameter and 20 cm long is filled with N2(A) and CO (B) gases at a total…

A: Step1     given data:-    →tube inside diameter =1cm    →length of tube=20cm    →Total pressure…

Q: A cold room in a meat processing industry has for handling products whose external wall is coated…

A: To find:a) The effect of reduction in the moisture relative to air in the diffusion rate.b) The…

Q: Ammonia diffuses through Nitrogen gas under equimolal counter diffusion at a total pressure of 1.013…

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Q: A dilute solution of solute A in solvent B is passed through a tubular-membrane separator, where the…

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Q: The rate of effusion of CO2 gas through a porous barrier is observed to be 8.13 x 10 mol/h. mol/h…

A: The rate of effusion of CO2 gas through a porous barrier r = 8.13 × 10-4mol/hr Molecular weight of…

Q: The packing height in an absorption tower is 4 m used to remove 90% cyclohexane from a mixture of…

A: Consider an absorption tower with height 4 m used to remove 90% cyclohexane. The process flow…

Q: V Self-diffusion A. Concentration profile v Fick's firts law B. Diffusion flux is linear function of…

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Q: The oil in sunflower whose mass composition is 7% water, 37% oil and 56% solids will be extracted…

A: Given:- Feed flow rate (E)=100 Kg/hrHexane flow rate (R)= 1 Kg/Kg of solid matter…

Q: Design of Absorption Tower A mixture of gas containing 90.5% mole % Hydrogen peroxide (H₂O2) and…

A: It is given that,the fraction of methanol recovered is mole fraction of methanol in the gas mixture…

Q: chemical engineering   While dissolving a gas into a liquid at a constant temperature, the ratio of…

A: The question is asking about the relationship between the concentration of a gas in the solution…

Q: diffusion

A: Diffusion in solids occurs through the mechanism of interstitial diffusion or vacancy diffusion.…

Q: A 5 mm thick ammonia-water solution layer is in contact with an organic liquid on one side of an…

A: In mass transfer the transport phenomena is diffusion. The concentration diffuses from higher levels…

Q: The diffusion coefficient of water (B) in ethanol (A) at 25oC is 2,4x10-5 cm2 s-1 and the viscosity…

A: Given that, Temperature T = 25oC = 298.15 K The diffusion coefficient of water in ethanol D =…

Q: 24.22 As part of a bioseparations process, glucose (solute A) in aqueous solution (solvent B) is…

A: Given that thickness,t =2 mm =2×10-3 m d=3 nm =3×10-9 nmT =30 C dmean  =0.86 nm=0.86×10-9 nm

Q: A mixture of 60 mol% propylene and 40 mol% propane at a flow rate of 1.0 kmol/h and at 25°C and 20…

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Q: 4) A packed distillation column is used to separate methanol from water. At an intermediate height…

A: Given = yG = bulk gas phase composition = 0.6 xL = bulk liquid composition = 0.4 KG = 0.1 mol m-2s-1…

Q: Estimate the hydrostatic pressure applied in a reverse osmosis system working at 10°C to maintain a…

A: Given that, the system is a reverse osmosis system for which temperature, T= 10⁰C = 10⁰+273 = 283 K…

Q: Calculate the diffusion coefficient of naphthalene in air at 25C and 1 bar.

A: The speed at which one substance will diffuse through another is determined by its diffusion…

Q: 1. Heating of a Spherical Particle Consider a solid spherical particle of radius R and thermal…

A: First consider a sphere of radius R and the thermal diffusivity α Now to get governing equation for…

Q: When both solute and solvent are liquid, the diffusion coefficient has higher values ​​than in…

A: Given: When both solute and solvent are liquid, the diffusion coefficient has higher values ​​than…

Q: Estimation of a Gas Diffusivity.Estimate the diffusion coefficient for oxygen (A)/benzene (B) at…

A: The diffusion coefficient for the given oxygen-benzene mixture is to be calculated.

Q: Two compounds in solution appears as shown below. Circle the colored box corresponding to the…

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Q: Corrugated surfaces such as those shown schematically in the figure below are commonly encountered…

A: Given that x=aL-zL the concentration of species =C the reaction is of the first order and takes…

Q: Estimate the diffusion coefficient for methyl phenyl sulfide in water at 25°C.

A: As per the question given , The temperature of the methyl phenyl sulphide is 25 degc = 298 K We need…

Q: Q1/ Aluminum is diffused into pure silicon to make a semiconductor material. How long should be the…

A: There are two question.Only first one is answered. Given data: Temperature=1300°C=(1300+273)K=1573K…

Q: Studru 4.50 A polymeric material is being considered as a coating film to protect an optical storage…

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Q: Which among the following statements is FALSE for crystallization processes? a. The dissolution of…

A: (a) The dissolution of common minerals releases heat, causing the solvent to cool. So, option (a) is…

Q: leaching

A: Leaching and extraction are two unit process to extract a substance from a mixture. The major…

Q: Benzoic acid is very useful in the personal care industry to prevent infection caused by bacteria. A…

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Q: the film created in each phase. The molar and volumetric flow rates of the air at the inlet are 5.5…

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Q: A 4 mm diameter tube, 40 cm long, closed at one end and standing vertically on its closed end, is…

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Q: Problem 2 An aqueous solution containing 60% Na2S₂O3 and 1% soluble impurities is diluted with water…

A: Given that- Basis feed= 100 kg  Na2S2O3 =60% =60 kg Solid impurities= 1 % = 1kg Final dried product…

Q: The diffusion coefficient, D  (m2/s) of Zn in Cu at 500 oC

A: Given that  T = 500 C = 500 +273.15 =773.15 k we have to find diffusion coefficient ,D of Zn in cu…

Q: Some HC1 gas diffuses across a film of air 0.1 in. thick at 20°C. The partial pressure of HC1 on one…

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Q: Q06/ At one point in a sample rectifying column, the vapor contains 70% (by mole) benzene and…

A: Assuming that the latent heats are equal for both the components and that there is no heat loss, no…