MW 10,000 14,000 16,000 19,000 22,000 24,000 28,000 32,000 Fraction 0.12 0.14 0.16 0.22 0.12 0.1 0.08 0.06

Q: In a free radical polymerization that proceeds without chain transfer, what is the effect of (a)…

A: The explanation is given below-

Q: The ingredients in the lamina may be .......... or ..... Materials. Intraply is ..... • One of…

A: 1) reinforcing fibres or matrix       2)hybrid composite

Q: Calculate the number-average molecular weight (Mn) and the weight-average molecular weight (Mw) for…

A: Mn= ∑1iNiMi∑1iNi Mw =∑1iNiMi2∑1iNiMi

Q: Composite materials must contain more dispersed material and less matrix material.

A: Composite material must contain more dispersed material compare to matrix material.

Q: 1. Poly (tetrafluoroethylene) (Teflon) will have a higher glass transition temperature, Tg than Poly…

A: A question about glass transition temperature, which is to be accomplished.

Q: Crystalline polyethylene has a density of 1000 kg m-3 and amorphous polyethylene a density of 865 kg…

A: A polymer sample's crystallinity can be represented as whether in a mass fraction or a volume…

Q: Outline the effect of drawing to the mechanical behaviour of polymer: I. Decrease elastic modulus…

A: Please find your solution below : The drawing process affects the mechanical behaviour of polymer.…

Q: With respect to the monomers and the subsequent molecular structures, select all correct…

A: A multiple choice question based on polymer chemistry, which is to be accomplished.

Q: What is the distinction between matrix and dispersed phases in a composite material?

A: a composite is formed with a continuous phase called the matrix. As shown in the figure below, the…

Q: A-Compare between effective of plasticizers and fillers when add to polymers = B:- Determine values…

A:

Q: Si crystalizes into a diamond crystal structure with lattice constant a = 0.543\: nma=0.543nm.…

A: Given:Si crystalizes into a diamond crystalstructure with lattice constant a=0.543 nmwe have to…

Q: what is the diffrence between fibres and elastomers?

A:

Q: The following table lists the glass transition temperatures, Tg, of several polymers. Discuss the…

A:

Q: 7. Consider these three labelled specific volume vs. temperature plots that may be displayed by…

A: The curve a shows amorphous solid. The curve b shows semicrystalline solid The curve c shows…

Q: The given polymer X is composed of A (Mw: 1×104 , 1 mole) and B (Mw: 1×105 , 1 mole). Calculate Mn…

A: The number average molecular weight of the polymer, Mn = n1M1+n2M2n1+n2 The weight average molecular…

Q: What is the degree of polymerization for 1050 gr of average molecular weight of a polypropylene…

A: In the given question, there is a mistake. The monomeric unit of polypropylene is propylene, C3 H 6…

Q: a- Determine the Structure Factor of FCC lattice for all even or all odd Miller indices? b- and what…

A:

Q: If 9 grams of polymer A with molecular weight of 30,000 Dalton is mixed with 5 grams of polymer B…

A: The calculations are done by the following formulas .where: m= mass of the polymer N=number of the…

Q: Describe how molecular weight & structure, thermal & physical properties are analyzed in polymers.

A: Answer - According to the question - Polymers - A polymer is any of a class of natural or synthetic…

Q: c. Nylon 6 and poly(e-caprolactone) have similar polymer backbone structure with one carbonyl, 5…

A: Introduction :  Polymer can be defined as the substance containing a large number of repeating units…

Q: Which composite or chemical do you prefer to capture in Beryllium surface mirrors

A: Beryllium mirrors are polished surfaces of beryllium metal which possesses a highly durable and…

Q: The molecular weight (i.e. molar mass) is often considered the most important aspect of a polymer.…

A: Since, polymers have very long chain of monomers. We can not determine exact molar mass directly as…

Q: Mass (sample + glass) Observations Classification Hygroscopic, Deliquescent, Efflorescent, or None…

A: Yes you are right. However some of the crystal shows  both behaviour. Na2CO3.10H20 is a white…

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: 11c. Nylon 6 and poly(ε-caprolactone) have similar polymer backbone structure with one carbonyl, 5…

A: Hers is your answer.....

Q: Write the significance of poly dispersity index; also calculate the number-average molecular weight,…

A: There some small molecules while some are very long molecules, having a molecular weight in…

Q: ar structure (ii)behaviour upon heating (iii)classifification or type of polymer (iv)based on their…

A: Since your question has multiple parts and subparts, we will answer the first question and the first…

Q: Polymeric composite materials can be obtained by adding fillers in the form of particles or fibers…

A: Disclaimer: “Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: Calculate the number-average molar mass and the weight-average molar mass of a mixture of equal…

A: In the given mixture, 50 % of one polymer and 50% of other polymer is present or the mixture is made…

Q: or introduce the following topics of polymer : • Thermoplastic/thermoset elastomer…

A: The process of formation of large molecules from repetitive addition of monomer units is called as…

Q: -3 (d) Crystalline polyethylene has a density of 1000 kg m* and amorphous polyethylene a density of…

A: Density of crystalline polyethylene                      = 1000 kg m-3 Density of amorphous…

Q: relation between melting temperature Tm and maximum crystallization temperature of polymer

A: The answer is given below

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: Explaining the following polymer size fractions in a polymer sample: Fraction Molecular Weight…

A:

Q: Two polymer samples were characterized separately: Polymer Alpha Polymer Beta Mass Molecular…

A:

Q: D. FILL THE TABLE BELOW. Molar mass M(g/mole) Atomic radius Theoretical density P(g/cm") Density at…

A: 1) α-Polonium For simple cubic, the relation between radius, r and edge length, a is: a=2r…

Q: X-ray diffractionanalysis(using a Cu anode)of a specimen with a known cubiccrystal structure reveals…

A: We know that wavelength of the X-ray emitted from Cu anode = 1.54 angstrom = 1.54×10-10 m Suppose,…

Q: Q-1) The table below gives the fraction of molecules of a polymer sample having a given average…

A: This section should strictly be called “Polymer molecular mass”, but in polymer science it is more…

Q: (a) Calculate the root mean square end-to-end distance and the radius of gyration for a molecule in…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 4. Sketch and index the 1 close packed plane and 1 close packed direction in FCC and BCC

A:

Q: Discuss the fracture mechanis of the polymer

A: A simple fracture is the separation of a body into two or more pieces in response to applied stress.

Q: Sketch and label the expected stress-strain curves at room temperature for lightly cross-linked…

A: Here is your answer... Step 1: Find the attachment

Q: Explain why the configuration of a polymer of isobutylene is neither isotactic, syndiotactic, nor…

A: Configuration of a polymer of isobutylene: The three possible configurations for polymers formed…