During the adsorption process, gas or liquid molecules adhere to or fill-in the capillary snaces of the adcorhing medium

Q: Which particles fall at a faster rate during sedimentation? a. Very light particles O b. Light…

A: Separation is a mechanical operation used to classify the solids using various techniques like…

Q: In DNA replication, which type of molecule is a primer?​   a. ​nucleic acid   b. ​lipid   c.…

A: Primer is a point where DNA synthesis is started in a short sequence.

Q: Flow diagram for absorption

A: Absorption is a separation operation in which the solute from gas mixture is absorbed with the help…

Q: Derive the concentration distribution equations for “diffusion into a falling liquid film?

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Q: Describe the fundamental difference between adsorption and partition chromatography

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Q: 4. A technique that can be used to characterize the growth mode during homoepitaxial thin film…

A: The right response is (d).The growth mode during homoepitaxial thin film growth can be characterised…

Q: Silica gel is to be used to separate a mixture of butane and butylene. The feed containing 55%…

A: Given :Feed at the bottom contains-Basis feed= 100 mol (supposed)Butane= 55% = 55 molButylene= 45%…

Q: 2. Label the names of the following membrane filtration operation modes at the bottom of the images

A: This is dead end flow  The particles are trapped within membrane and all water   Will pass…

Q: How can we determine the rate of mass transfer of component from a gas mixture in packed towers?

A: Figure below shows flow of gas and liquid through stages of packing: where, Vb, yb is bottom vapor…

Q: How to find diffusion coefficient (diffusivity) of different amino acid?

A: Molecules or ions travel from an extremely high concentration region to a low concentration region…

Q: Example of material balance of absorption?

A: An example of material balance of absorption is to be mentioned.

Q: What type of materials are membranes made of? Can the membranes be non-porous or if so, how / in…

A: What type of materials are membranes made of? An MBR membrane is essentially a substance that…

Q: 4. Which of the following decreases polymer strength? a. Increasing degree of crystallinity b.…

A: (A) not the correct option because the crystallinity of the polymer increases strength, because in…

Q: Determine the terminal settling velocity of a coal particle of size 400 micron in water at 20 oC by…

A: We need to find settling velocity of coal particle water and then we need to compare it with…

Q: 5. Physical properties of the formation crude oil includes volume coefficient and viscosity.

A: The physical properties of crude oil vary according to its composition, the relative abundance of…

Q: The outermost shell of an atom is called as the shell.

A: In a chemical element, an atom is the smallest particle of matter. An atom consists of a central…

Q: When a material is impervious to the transmission of visible light, it is translucent black…

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Q: What is the difference between a mutual diffusion coefficient and a self-diffusion coefficient?

A: The difference between the mutual diffusion coefficient and self diffusion coefficient is to be…

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: Explain the role of the back surface field in solar cells and how to form a BSF layer in silicon…

A: To 1. explain the role of back surface field (BSF) layer in solar cells 2.  how to form a BSF layer…

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: Derive the dimension ratio cla for regular HCP crystal. DO NOT USE the atomic packing factor.

A: In the HCP system, the basal plane has a hexagonal or triangular lattice with lattice parameter a.…

Q: Which of the following does not affect the apparent density of the dust? Please select one: A.Powder…

A: Apparent density of dust

Q: QUESTION 2 What was the solvent used in preparation of the sample stock solution? O Any solvent that…

A: Its answer should be any solvent that fully dissolves the sample because sample stock solutions are…

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: Solvent extraction is essential for separation in the chemical industry, briefly describe four…

A: The applications of solvent extraction in the chemical industry are to be mentioned.

Q: Can a membrane be porous or nonporous?

A: The porous and non-porous structure of the membrane is to be mentioned.

Q: The unit cell of chromium contains two atoms. Without using the crystal structure infor- mation,…

A: (a) Given, The chromium contains two atoms in a unit cell. Let r be the radius of the atoms and a be…

Q: Molecular diffusion intensifies with decreasing temperature. (  ) Real (  ) False

A:

Q: The test kits used to determine COD contain chemicals that react with the organic compounds n an…

A: It is the measure of quality of water. Test is based on the assumption that strong oxidizing agent…

Q: hoose the correct statement. In impingement, small oil droplets collide to form bigger droplets In…

A: Spray developments are currently progressing towards improved energy efficiency in atomization.…

Q: How can we remove the material reversibly adsorbed on carbon or other adsorbents?

A: When particles are diffused on a solid’s surface, the phenomenon is known as adsorption. The solid…

Q: Discuss the diffusion through stationary non diffusing gas film.

A: Movement of molecules from high concentration to low concentration known as molecular diffusion.…

Q: The process of crystallization is done in which way: A. Solvent vaporizes B. Dissolution of solution…

A: Crystallisation is the process by which a solid forms, where the atoms or molecules are highly…

Q: Define the following in chemical engineering perspective and draw an arrow block diagram of the…

A:

Q: Explain the Fouling phenomenon. What is the effect of fouling on heat transfer rate?

A: The concept of fouling arises in heat exchangers (HE). The common heat exchangers where fouling is…

Q: In an adsorption process, this is the material which adsorbs the contaminants/unwanted materials in…

A: Asked Material which adsorbs the contaminants or unwanted materials in the original solution is…