In a polymer sample 30 of molecules
WebSep 7, 2024 · The degree of polymerization ( D P) in a polymer molecule is the number, n, of repeating units in the polymer chain. The molecular weight of a particular polymer … Webof a polymer containing 30% molecules with molecular mass 20,000, 40% have 30,000 and the rest have 60,000 is Q. A polymeric sample in which 30 % molecules have a molecular …
In a polymer sample 30 of molecules
Did you know?
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? A. … WebIt is determined by measuring the molecular mass of n polymer molecules, adding the masses, and dividing by n. So, the average molecular mass comes out to be: $x=10$ moles. So, the amount of carbon dioxide gas: $10\times 44=440$ g. How do you find the molecular weight of Class 11? How to find the molar mass of a compound?
WebSep 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 … 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? (1) 40,300 (2) 30,600 (3) 43,333 (4) 50,400 Polymers Chemistry Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 ...
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 … WebJul 29, 2024 · Because a molecule or a polyatomic ion is an assembly of atoms whose identities are given in its molecular or ionic formula, we can calculate the average atomic mass of any molecule or polyatomic ion from its composition by adding together the masses of the constituent atoms.
WebA sample of polymer contains 30% molecules with molecular mass 20,000, 40% with molecular mass 30,000 and 30% with molecular mass 60,000. What is the number …
WebFeb 4, 2024 · A sample of polymer contains 30% molecules with molecular mass 20,000, 40% with molecular mass 30,000 and 30% with molecular mass 60,000. What is the … dynactisWebdistribution of a polymer, and is defined by: Polydispersity index = Mw Mn The larger the polydispersity index, the broader the molecular weight. A monodisperse polymer where all the chain lengths are equal (such as a protein) has an Mw/Mn = 1. The best controlled synthetic polymers (narrow polymers used for calibrations) have Mw/Mn of 1.02 to ... dynactin中文WebA polymer sample is characterized by gel permeation chromatography and the following data are obtained: Number of Molecules 3 10 5 Molecular Mass of each Molecule 750,000 500,000 300,000 Calculate the number average and weight average molecular weights for the polymer, and calculate the Polydispersity index? crystal springs daycationWebJan 1, 2013 · The properties of the polymer are determined primarily by the molecules with a molecular weight of 10,000 that makes up 95 % of the weight of the mixture. The highest % fraction of molecular weight of molecule will contribute the most toward the bulk property. dynaction eva 01WebIn 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 … crystal springs deer processingWebJun 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 dynacraft realtree 24v utv assemblyWebApr 12, 2024 · 1.Introduction. Wax deposition is one of the most critical issues of crude oil production, transportation, and processing. Waxes, which are the heavy components in … dyna crash bar forward controls