1. Give the equation and compare 2 experimental methods of determination of solubility parameter. Will polystyrene dissolve in water which solvent would you recommend. Discuss why is acetone a universal solvent for most polymers

Q: Calculate [OH], percent ionization, and pH for 0.15 M methylamine solution.

A: concentration of Methylamine=0.15  From sources Kb=4.4*10-4 H3CNH2(aq)+H2O(l)→H3CNH+3+HO−

Q: Determine the maximum wavelength of absorption of silver nanoparticles using UV-Vis spectroscopy.

A: Ultraviolet-visible (UV-Vis) spectroscopy is used to determine the absorption spectra of a compound…

Q: Define hydrophilic and lipophilic. What structural component of compounds in each of the two layers…

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Q: What is a eutectic? What is the difference between a eutectic-forming system and a…

A: The definition of eutectic is to be mentioned along with the difference between the eutectic-forming…

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: mmary of adsporti

A: Adsorption is linkage of atoms, molecules and ions from gases, liquid to the surface. Adsorption…

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: How do polymer and solute size, and affinity ligand, affect partitioning in aqueous two-phase…

A: In an Aqueous two-phase extraction (ATPE) method, the solute is transferred from one liquid phase to…

Q: explain the definition and mechanism of pervaporation

A: Vaporization is a simple physical process that is a phase transition from the liquid phase to vapor.…

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: Determine influent wastewater characteristics for the pesticide industry wastewater from the…

A: Introduction The heavy metals such as arsenic, cadmium, copper, tin, nickel, zinc, and mercury act…

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: Formed when the electron being shared come only from one of the elements. O coordinate covalent bond…

A: The answer is "Coordinate Covalent bond". Because only one element is sharing the pair of electron…

Q: A hydrocarbon (Alkene) is used as a monomer to prepare a chain-growth polymer with molecular weight…

A: Alkene is used as monomer Molecular weight of polymer of (Mn) = 104000g/gmole Degree of…

Q: 1. What is the principle of UV-Vis Spectroscopy for polymers.

A: Introduction UV–visible spectroscopy (UV–Vis )refers to absorption spectroscopy or reflectance…

Q: Why is maintaining constant supersaturation important during bioproduct crystallization?

A: The reason for maintaining constant supersaturation during bio-product crystallization is to be…

Q: During evaporation of sugar solution, we may obtain __________ as one of the products. A. sugar…

A: This question is based on the evaporation of sugar solution. We will analyze the process on the…

Q: Give the three types of ethylene glycol

A: Types of ethylene glycol: 1) Diethylene glycol (DEG) 2) Triethylene glycol (TEG) 3) Polyethylene…

Q: Which one of the following is a thermoset polymer?   Polypropylene   Polystyrene   Polyethylene…

A: The thermosetting polymer out of the given options is to be chosen.

Q: How can an amorphous powder be converted into crystalline form?

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Q: What’s the purpose of adding saturated NaCl to biodiesel after separating the top layer biodiesel…

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Q: The effects on polymer addition to the mixture of colloidal particles has been widely reported. With…

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Q: In solvent extraction, which among the phases below must contain the fewest amount of desired metal…

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Q: A feed solution with a solute concentration of 3 % by weight is treated by reverse  osmosis. The…

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Q: Discuss how the volume of lixiviant affect leaching

A: A lixiviant is a liquid or Solvent which is used to extract the preferred metallic from the ore or…

Q: 1- Please find the typical molecular weight of the below common polymers. Compare them based on the…

A: PET typical molecular weight is around 8,000 – 31,000 PC typical molecular weight is around 23900…

Q: A block copolymer consists of 65 wt% polystyrene and 35 wt% polybutadiene . Estimate the degree of…

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Q: How can I remove AlF3 from the Colloidal solution?

A: Removing AlF3 from a colloidal solution requires a careful and specific approach due to the unique…

Q: Analyze the crystallization capacity between the following polymeric pairs

A: solution -Step 1 - part -1(a) straight ( A motecule of Lineal P E )…

Q: “Without Initiator polymerization is not possible”- Briefly explain

A: It is to be mentioned why polymerization is not possible without an initiator.

Q: Explain the Membrane based separation in detail

A: Membrane based separation is to be explained.

Q: What is the difference between slurry adsorption (contact filtration) and fixed-bed adsorption…

A: Slurry adsorption or contact filtration is a type of adsorption method in which solute or an…

Q: How does the separtion of liquid mixture from osmosis differ from reverse osmosis?

A: The difference between the separation of the liquid mixture with osmosis compared to reverse osmosis…

Q: The number -average molecular weight of a polypropylene is 1,000,000 g/mol. Compute the…

A: The number -average molecular weight of a polypropylene =1,000,000 g/mol.molecular weight  of…

Q: application of PVDF membrane

A: