Q: List different types of polymerization techniques. Discuss
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Q: Identify the monomer(s) for the following polymer:
A: The given polymer is Poly ethylene terephthalate.
Q: List down the classification of Biodegradable polymers with it's importance and function.
A: Biodegradable polymers are classified as, Natural biodegradable polymers Obtained…
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.…
Q: Write the name and structure of monomer of the polymer which is used as synthetic wool.
A: The name and structure of monomer of the polymer which is used as synthetic wool has to be given.
Q: Explain the differences between addition polymerization and condensation polymerization?
A: The differences between addition polymerization and condensation polymerization have to be explained…
Q: Given the monomer below, draw a polymer chain with three links (i.e., three repeating monomers).…
A: The solution is given below -
Q: hat is the monomer polyethene?
A: monomer of polyethene is
Q: Compare and contrast the key aspects of suspension and emulsion polymerization. Discuss how both…
A: Suspension polymerization is a polymerization of a monomer relatively insoluble in water, dispersed…
Q: List down the factors that affect the cationic polymerization.
A: A chain growth polymerization that involves a cationic initiator which shifts charge to any…
Q: Many plastic bags are made of polyethylene. Despite only containing dispersion forces, the material…
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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: What type of ionic addition polymerization process would vinyl acetate be expected to undergo?…
A: Given
Q: bulletproof-inner is made of which polymer?
A: Bullet proof inner are material that blocks bullets from pistols and helps to escape from bullets.
Q: High-density polyethylene (HDPE) is opaque while low-density polyethylene (LDPE) is transparent.…
A: Let's discuss about the opaqueness of HDPE and transparent nature of LDPE according to the question.
Q: The branched chain amino acids are _____________,_____________, and _____________.
A: Given The branched chain amino acids are _____________,_____________, and _____________.
Q: Discuss FOUR (4) differences between addition polymerization and condensation polymerization. Give…
A: A question based on type of polymerization, which is to be accomplished.
Q: Draw the monomer unit(s) from which the following polymer is made. fo
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Q: monomers
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Q: Classify the following reaction as "A" for addition polymerization or "C" for condensation…
A: (a) The given reaction is,
Q: Discuss about atactic polymer ?
A: Polymers are long chain of repeating units, such as monomer or dimer. Atactic polymer is one of the…
Q: When Cationic polymerization occurs ? & how it occurs ?
A: When many monomers' units combine to form a long chain, it is called polymerization. This long chain…
Q: (a) What is a monomer? (b) Which of these molecules canbe used as a monomer: ethanol, ethene (also…
A: A monomer is the molecules by which a polymer is constructed by the process of polymerization. In…
Q: 2. Given the monomers below, draw a structure for the polymer using the repeat unit notation we have…
A: Given monomers,
Q: what is polymerization
A: Concept - When some molecules same or alike combine in large numbers, they make a large structures.…
Q: Describe the important features of the structure of a polymeric solid, such as rubber.
A: Introduction: Polymeric solids are made up of long chain molecules , wrapped around each other.The…
Q: For a general chain-growth polymerization, we might expect that polymer chain length would be.
A: Chain growth polymerisation is a process in which the high molecular weight polymer is formed early…
Q: Which method of ionic polymerization—cationic or anionic—is preferred for attached monomer? Explain…
A: Generally cationic polymerization takes place only with alkene monomers that contain electron…
Q: What is polymerization and name two types of polymerization and describe them
A: Polymers: These are the chemical substances that consist of macromolecules made from smaller…
Q: Define about Polymerization ?
A: The definition is given in the following steps.
Q: Which of the following polymer can have electrical conductívity? A B.
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Q: Explain process of doping with example
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Q: w
A: Polymerization reaction can occur if there are atleast two fuctional group present in the monomer…
Q: ifferent polymers have different properties. Explain
A: Given : We have to tell why different polymers have different properties.
Q: a. What molecular features make a polymer flexible? Explain how cross-linking affects the properties…
A: Interpretation- Which molecule features make polymer flexible and effects of crosslinking on the…
Q: Teflon can be made from tetrafluoroethylene by means of a free radical polymerization. In the…
A: The product of propagation step in free radical polymerization of tetrafluoroethylene to form the…
Q: Shown here are cartoons of two different polymers. Whichof these polymers would you expect to be…
A: The (a) polymer shows the interactions between polymer chains. The force that operates between the…
Q: Write down the factors that control the Tg of polymers. Briefly discuss it.
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Q: lyethylene is crystalline polymer which to
A: Density=mass/volume=ZM/Na×Volume
Q: Q/ Name the following polymers: according to the designation based on the International System IUPAC
A: 1) The IUPAC name of the given polymer is, Poly(1-phenylethene-1,2-diyl). Its common name is…
Q: What structural features must a monomer possess to undergo addition polymerization and condensation…
A: Monomer:- It is the smaller repeating unit in polymers.
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- Comelli and Francesconi examined mixtures of propionic acid with various other organic liquids at 313.15 K (F. Comelli and R. Francesconi, J. Chem. Eng. Data 41, 101 (1996)). They report the excess volume of mixing propionic acid with tetrahydropyran (THP, oxane) as VE = x1x2{a0 + a1(x1 − x2)}, where x1 is the mole fraction of propionic acid, x2 that of THP, a0 = −2.4697 cm3 mol−1, and a1 = 0.0608 cm3 mol−1. The density of propionic acid at this temperature is 0.971 74 g cm−3; that of THP is 0.863 98 g cm−3. (a) Derive an expression for the partial molar volume of each component at this temperature. (b) Compute the partial molar volume for each component in an equimolar mixture.. Compatible Polymers A and B are to be blended to achieve a glass-transition temperatureof 60 oC. Tg’s of Polymers A and B are 30 and 85 oC, respectively, using an appropriateequation determine the composition of the blend.The following temperature/composition data were obtained for a mixture of two liquids A and B at 1atm, where x is the mole fraction in the liquid and y the mole fraction in the vapour at equilibrium.T (°C) 110 120 130 140xA 0.73 0.43 0.25 0.10yA 0.96 0.78 0.60 0.36The boiling points are 105°C for A and 150°C for B. What is the composition of the vapour in equilibrium with the liquidof composition (a) xA = 0.35 and (b) xB = 0.25?
- 1 At a temperature of 302.8 K, mixtures of phenol andwater exist as two separate phases with mole fractionsof phenol of 0.30 and 0.93. Use the lever rule to determine the relative amounts of the two phases for amixture w ith an overall mole fraction of phenol of 0.45.A saturated solution of copper(ll) sulfate, with excess of the solid, is present in equilibrium with its vapour in a closed vessel. (a) How many phases and components are present? (b) How many degrees of freedom are available, and what are they?Estimate the freezing point (solidification temperature) of benzene at a pressure of 115 bar given that the enthalpy of fusion (AH,jus) of benzene is 9.94 kJ/mol. The corresponding densities of liquid and frozen benzene are 876 kg/m? and 894 kg/m? respectively.
- A liquid-vapour mixture whose composition is 60 mole % of benzene is contained within a vessel at 60C. What fraction of moles are both methanol and in the liquid phase?A monolayer of CO molecules is adsorbed on the surface of 1.00 g of an Fe/AI2O3 catalyst at 77 K, the boiling point of liquid nitrogen. Upon warming, the carbon monoxide occupies 4.25 cm3 at O oC and 1.00 bar. What is the surface area of the catalyst?It is found that the boiling point of a binary solution of A andB with xA = 0.6589 is 88 °C. At this temperature the vapour pressuresof pure A and B are 127.6 kPa and 50.60 kPa, respectively. (i) Is thissolution ideal? (ii) What is the initial composition of the vapour abovethe solution?
- The vapor pressures of 1,2-dibromoethane (M = 187.9 g mol-1and 1,2-dibromopropane (M =201.9 g mol-1), both measured at 343 K, are 12.90 and 9.17 kPa, respectively. Assuming thatthese two liquids form an ideal mixture, calculate the pressure of the vapor phase which is inequilibrium at 343 K with a liquid containing 50 % by mass of each of these componentsPolyethylene glycol 400 (PEG400) is a nonvolatile liquid polymer, which when mixed with water canbe used as a base for parenteral formulations. The designation “400” means that the molecular weightof PEG molecules is approximately 400 g/mol. Preparation with water (ΔHv = 40.7 kJ/mol) requires that the two be mixed at 56 oC, at which the equilibrium vapor pressure of pure water is 16.5 kPa. a. If 105 g of PEG400 are added to 500 g of water at 56 oC, what will the boiling temperature of the solution be?The table below shows temperature/composition data collected for a mixture of methylbenzene (M) and octane (O) at 1 atm. Recall that x stands for the mole fraction in the liquid and y stands for the mole fraction in the vapor in equilibrium. The boiling points for methylbenzene (M) and octane (O) are 110.60C and 125.60C, respectively. Construct the phase diagram with Temperature vs. xM. What is the composition of the vapor in equilibrium with the liquid of composition (a) xM = 0.250 and (b) xO = 0.250. T (0C) 110.9 112.0 114.0 115.8 117.3 119.0 121.1 123.0 xM 0.908 0.795 0.615 0.527 0.408 0.300 0.203 0.097 yM 0.923 0.836 0.698 0.624 0.527 0.410 0.297 0.164