Q: List different types of polymerization techniques. Discuss
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Q: What type of column packing material is used where diethylamino ethyl sephadex belongs?
A: Sephadex is a cross-linked dextran gel used for gel filtration. It was launched by Pharmacia in…
Q: What specific aspects of polymer molecule structure (e.g., side group size, shape, polarity, and…
A: Polymers: Polymers are macromolecules which are formed a by number of repeating units of monomers.…
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A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to…
Q: iscosity of a polymer decreases with increases in (a) shear strain rate, (b) molecular weight,…
A: Since you have posted multiple independent questions in the same request, we will solve the first…
Q: Density and viscosity fatty acid at 42.5 degree and 1 atm
A: Answer as follows :- Explanation:
Q: Proposed a laboratory procedures on how to determine polymer molecular weight based on osmotic…
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Q: How can I determine the bulk density from their mass in bulk volume
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Q: ssing through a medium causes areas of:
A: This question is related to waves.
Q: Define cohesion
A: Cohesion or cohesive force is the property by which molecules stick together. It is attraction of…
Q: How will you distinguish between addition and.condensation polymerization?
A: To distinguish between addition and condensation polymerization process.
Q: A material that has the ability to stretch a great deal and then return to its original dimensions…
A: In material science and physics, elasticity is the ability of a material to resist a distorting…
Q: What is the primary structural feature necessary for a molecule to make it useful in a condensation…
A: Several monomers or oligomers (molecules with 3-10 repeating units), react with one another and…
Q: Arrange the following substances in terms of highest to lowest Shear Modulus values. Bone, Brass,…
A: Shear Modulus (G) is the ratio of shearing stress to the corresponding shearing strain. The SI unit…
Q: he packing efficiency (in
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Q: Surface tension The resistance of a liquid to flow Viscosity The ability of a liquid to flow up a…
A: Match the following terms.
Q: How can we describe a single-phase material?
A: Single phase material is the material contains only one phase .
Q: what is liquid junction potential ?
A: When two different concentrations of electrolyte solution come in contact forms liquid junction…
Q: ,what is the volume of the unit cell in
A: Metallic vanadium crystallizes in BCC(BODY CENTERED CUBIC UNIT CELL) lattice Given: metallic radius…
Q: Find the molar conductivity according to these data and draw a graph.
A: The formula for calculating molar conductivity is: -----(1)
Q: What is packing fraction ?
A: A way of expressing the variation of isotopic mass from whole mass number (atomic mass) is defined…
Q: Polymer blend and polymer composite 1. What are the conditions to obtain homogeneous polymer blend?…
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Q: The Atomic packing factor of BCC...
A: Given that : We have to determine the atomic factor of BCC.
Q: how the liquid junction potential can be eliminated ?
A: When two different concentrations of electrolyte solution come in contact forms liquid junction…
Q: Surface atoms rearrange itself because of lack of ....., and link to .... atoms O1. Topmost Layer,…
A: The above statement is related to surface tension phenomenon. The molecules at the surface do not…
Q: name of an aplication in which polymer composite can not be use? and reason why we should not use…
A: Polymer composite is the polymers made up of a combination of organic polymers and their arrangement…
Q: Does the conductivity increase or decrease?
A: In this reaction, Ba(OH)2 reacts with H2SO4 to form precipitate of BaSO4 Reaction is : Ba(OH)2 +…
Q: The cooling rate affects the size of the crystals.
A: Solution : Crystallization is a process of formation of a solid crystal that is formed by…
Q: dipole dipole interaction between aspirin and silica explanation pls and steps also
A: Dipole Dipole interaction occurs when molecule have atoms which are different in…
Q: An FCC metal is loaded with a tensile stress of 200 MPa. Suppose that in some particular…
A: A unit cell having atoms present at the corners along with face centres is known as FCC unit cell.…
Q: Do higher molecular weight polymers have a higher elastic modulus? Give a reason why this is/is not…
A: An elastic modulus can be defined as the amount of resistance a substance would put to stop getting…
Q: Please use phase diagram to explain why micro-segregation and macro-segregation happen during…
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Q: What is equivalent conductivity?
A: Definition:When dissolving one gram equivalent of an electrolyte, will generate the conducting power…
Q: Explain process of doping with example
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Q: Q1: What are the differences between 1.Nano filled composite2. Condensable composite, 3.Flow able…
A: Nano-filled Composite Condensable Composite Flow-able composite Hybrid Composite Resins Mechanical…
Q: Explain the Bragg equation by drawing a figure. Where is this equation used?
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Q: Explain TWO (2) effects of thermodynamic in polymerization reactions and why addition…
A: Question 01: Polymerization is the process of taking individual monomer and enhancing them into a…
Q: prove that the rc/ra =0.225 for coord number 4 in ceramic crystal structur
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Q: -uld hydrogen bonding be expected?
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Q: In a continuous fibre reinforced composite where the fibres are well aligned, the strength in the…
A: It is asked about the strength and stiffness of continuos fibre reinforced composite in transverse…
Q: Distinguish grains from grain boundaries using the following criteria: a. Energy level b. Second…
A: a). In terms of energy level the grain boundaries are the sites of high energy. The energy of grain…
Q: Why materials with a high melting point have a high modulus of elasticity and low thermal expansion?
A: Melting point is defined as the temperature at which the solid and liquid forms of a pure substance…
Q: B: Define the coordination number and its value for BCC unit cell.
A: BCC: body centred Cubic unit cell. The structure and coordination number explained below.…
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- By definition, the compressibility of an ideal gas is 1. By approximately what percentage does this change for hydrogen upon inclusion of the second virial coefficient term? How about for water vapor? Give the conditions under which you make this estimate.Derive the reduced expression for the compressibility factor z of a real gas; Explain in detail how the volume of the real gas at a given temperature and pressure can be determined using this mathematical expression and an appropriate graph.Determine the volume change for the transformation from Rhombic to monoclinic sulphur?
- Calculate the fugacity coefficient, the fugacity and the phase in which the methane is shown, at the conditions of T = 288.71 K and P = 40atm. Note: Correct and detailed answer will be Upvotedcan diffusion be reversedbased on the given data, identify if the process is Isobaric Expansion or Compression and Isothermic Expansion or Compression
- I am trying to find the boiling point of liquid Unknown. Barometric pressure _650_ mm Hg, Observed _79_ 0C, need to find the Estimated ture (normal) b.p (apply pressure correction to obtain)_____ and what the unknown (please type answer not write by hend)The pressure of the saturated vapor of benzene (vapor in equilibrium with liquid) is 101.32 kPa at 80°C and 4.81 kPa at 5.5°C, respectively. The latter pressure and temperature correspond to the triple point of benzene. Calculate the approximate molar heat of vaporization ∆Hmv of benzene (Clausius - Clapeyron equation).The following table lists the glass transition temperatures, Tg, of several polymers. Discuss the reasons why the structure of the monomer unit has an effect on the value of Tg.
- The time of diffusion of an ideal is ___________ to the square root of density. directly proportional inversely proportional Explain with equation and conceptssketch graphical representations of the Lennard Jones potential for He gas and F2 gas. Clearly label your axes.Calculate the isothermal compressibility and isobaric thermal volume expansion from Virial equation in terms of pressure. Virial Equation in terms of pressure: PV = A + Bp + Cp2 + Dp3 + ...