In a polymer sample 30 of molecules
WebMar 29, 2024 · In a polymer sample, 30% molecules have molecular mass 20000, 40% have molecular mass 30000 and the rest 30% have 60000. Calculate their number average and m... In a polymer … WebIn a polymer sample 30% of molecules have a molecular mass of 20,000, 40% have 30,000 and the rest 60,000. What is the weight average molecular mass of the polymer? 11 (1) 40,300 (2) 30,600 (3) 43,333 (4) 50,400 Which of the following polymers is prepared by Solution Verified by Toppr Was this answer helpful? 0 0 Similar questions
In a polymer sample 30 of molecules
Did you know?
WebJun 11, 2024 · Calculate the average molecular mass of a polymer sample in which 30% molecules have a molecular mass 20,000, 40% have 30,000, and rest have 60,000. Strategy: Work out number average molecular mass (¯¯¯¯¯ ¯M n) ( M n ¯) as well as weight average molecular mass (¯¯¯¯¯ ¯M w) ( M w ¯) class-12 polymers 1 Answer 0 votes WebDec 31, 2024 · The chemical structure of the polymer, the molecular weight, the polymolecularity index, the rigidity and the configuration of the chains, the lateral groups present along the chains as well as...
WebMar 29, 2024 · In a polymer sample, 30% molecules have molecular mass 20000, 40% have molecular mass 30000 and the rest 30% have 60000. Calculate their number average and m... WebApr 14, 2024 · The increased interest in the transition from liquid to solid polymer electrolytes (SPEs) has driven enormous research in the area polymer electrolyte technology. Solid biopolymer electrolytes (SBEs) are a special class of SPEs that are obtained from natural polymers. Recently, SBEs have been generating much attention …
WebMeaning. A large, organic molecule such as carbohydrates, lipids, proteins, and nucleic acids. A molecule that is a building block for larger molecules (polymers). For example, an amino acid acts as the building blocks for proteins. A large molecule made of repeating … WebThe work presented in this thesis describes an innovative approach for biological sample preparation in a micro-volume syringe based on electrokinetic separation. For the first time, the embedded stainless steel syringe needle and plunger served as electrodes and the syringe barrel served as a separation channel. The advantages of doing this in a syringe is …
WebNov 17, 2024 · It is valid for all low molecular-weight compounds. In contrast, a polymer comprises molecules of different molecular weights, and its molecular weight is expressed in terms of the ‘average’ value. For example, ethylene has a fixed molecular weight 28. ... Assume that there is n number of molecules in a polymer sample, and n 1 of them have ...
WebAug 6, 2014 · 1.3.1 Molecular-Weight Distribution. A typical synthetic polymer sample contains chains with a wide distribution of chain lengths. This distribution is seldom symmetric and contains some molecules of very high molecular weight. A representative distribution is illustrated in Figure 1-8. The exact breadth of the molecular-weight … how do you upload a video to youtubeWebOct 31, 2024 · In a polymer sample, 30% molecules have molecular mass 20000, 40% have molecular mass 30000 and the rest 30% have 60000. Calculate their number average and … phonics song phase 2WebSep 10, 2024 · A method for measuring the degree of aggregation of a protein or a polypeptide in a liquid sample, the method comprising the steps of combining an amount of a fluorophore molecule with the aggregated protein or polypeptide in the liquid sample; and measuring the fluorescence polarization value of the combination to determine the … phonics song phase 1WebApr 12, 2024 · From the color of items on the map, the recent research trend of wax inhibitors is connected strongly with nanoparticles and with the pour point depressants (PPDs) (30 occurrences). Asphaltenes were highly connected with wax crystallization since it has been shown that asphaltenes molecules have high interactions with wax molecules … how do you upload geforce videos to youtubeWebApr 12, 2024 · From the color of items on the map, the recent research trend of wax inhibitors is connected strongly with nanoparticles and with the pour point depressants … phonics song nnWebChemistry questions and answers Calculate the Mn, Mw, Mz and the molecular weight distribution for a polymer sample containing equal numbers of molecules of the following … phonics songs plus glavachWebMar 5, 2024 · Polymers that are not highly cross-linked have properties that depend greatly on the forces that act between the chains. By way of example, consider a polymer such as polyethene which, in a normal … phonics song tricky words