(1 point) Determine the degree of polymerization of polypropylene with a number-average molecular weight of 845000...
7. (19 points) The number average molecular weight of polypropylene is 1,5 Calculate the degree of polymerization. 00,000 g/mol.
Find the degree of polymerization for polyethylene with an number average molecular weight of 500,000 g/mol.
Find the degree of polymerization for polyethylene with an number average molecular weight of 500,000 g/mol
Find the degree of polymerization for polyethylene with an number average molecular weight of 500,000 g/mol
An alternating copolymer is known to have a number-average molecular weight of 250,000 g/mol and a number-average degree of polymerization of 3406. One of the alternating mers is polystyrene which has a molecular weight of 105_g/mol. Given that the molecular weight of polypropylene is 42 g/mol and that of polyvinyl chloride is 61.5 g/mol, Which of them is the other alternating mer?
Molecular weight data for some polymer are tabulated. Determine: a) The number-average molecular weight b) The weight-average molecular weight c) What is the number-average degree of polymerization for this polymer? d) What is the weight-average degree of polymerization for this polymer? Side note: Please consider the monomer C3H6 Molecular weight data for some polymer are tabulated. Determine: The number-average molecular weight The weight-average molecular weight What is the number-average degree of polymerization for this polymer? What is the weight-average degree...
4 (20 Points) Calculate the number-average molecular weight and the weight average molecular weight of a polymer sample made of polystyrene with a repeat unit of (CH2- CH(CHs)) and composed of two types of chains. 60 percent of the chains have a degree of polymerization of 7,000 and the rest 50,000. Carbon has an atomic weight of 12 g/mol and hydrogen is 1 g/mol.
this is the full table Problem 5 (10pts) The following table lists molecular weight data for a polyethylene material. Compute (a) the number-average molecular weight, and (b) the degree of polymerization. Molecular Weight Range (g/mol) 8,000-20,000 20,000-32,000 32,000-44,000 44,000-56,000 56,000-68,000 68,000-80,000 80,000-92,000 Problem 5 (10pts) The following table lists molecular weight data for a polyethylene material. Compute (a) the number-average molecular weight, and (b) the degree of polymerization. Molecular Weight Range (g/mol) 8,000-20,000 20,000-32,000 32,000-44,000 44,000-56,000 56,000-68,000 68,000-80,000 80,000-92,000
full work pls and answer the whole question pls nber-average and weight-average molecular weight. Is it possible to have a polypropylene polymer with the following molecular weight data and a num degree of polymerization of 1134? Why or why not? Molecular Weight Range (g/mol) 8000-20000 W 0.02 0.05 20000-32000 0.08 0.15 32000-44000 0.17 0.21 44000-56000 0.29 0.28 56000-68000 0.23 0.18 68000-80000 0.16 0.10 80000-92000 0.05 0.03 The chemical formula for the polypropylene monomer is C3H6. The atomic weights of carbon...
a) compute the repeat unit molecular weight of polystyrene b) compute the number-average molecular weight for polystyrene for which the degree of polymerization is 26,000. 54 (a) Compute the repeat unit molecular weight of polystyrene. (b) Compute the number-average molecular weight for a polystyrene for which the degree of polymerization is 26,000.