A polymer has the following composition: 100 molecules of molecular weight 1500, 200 molecules of molecular weight 2500, and 500 molecules of molecular weight 5000. Calculate the number and weight average molecular weight and the polydispersity index.

A polymer is defined by its molecular weight distribution. Each weight distribution is characterized by a minimum of two parameters. Which are those?Question 2Answera.Dispersity and weight average molecular weightb.weight average molecular weight and intrinsic viscosityc.weight average molecular weight and monomer molecular weightd.weight of polymer and weight average molecular weight

Discuss the relationship between the following variables in the context of polymeric material.(9 marks)i. Chain length and viscosityii. Crystallinity and tensile strengthiii. Chain structure and density

Complete the following sentence: Polymers are large molecules built up from smaller units called ______ ; Your answer here;

Complete the following sentence: It is possible to produce different types of polymers by varying the types of ______ ; Your answer here;  of the bonds present inside the polymer chains

Instructions: Use the atomic weights for the elements in your Equation Booklet and the following figure to compute problem 1 seen below.--Given Values--- = Data for Problem 1Molecular Weight Data Table for = Polystyrene (PS)- = Molecular Wt(g/mol)|----xi--- |-- wi- = 8,000 - 16,000 -------|-- 0.03 --|--0.04- = 16,000 - 24,000 ------|-- 0.16 --|--0.12- = 24,000 - 32,000 ------|-- 0.25 --|--0.20- = 32,000 - 40,000 ------|-- 0.29 --|--0.28- = 40,000 - 48,000 ------|-- 0.19 --|--0.29- = 48,000 - 56,000------|-- 0.08 --|--0.13- = Data for Problem 2Required Tensile Strength (MPa) = 154Tensile Strength (MPa) for PE 1 = 77Tensile Strength (MPa) for PE 2 = 160Number-Average Molecular Weight (g/mol) for PE 1 = 17,886Number-Average Molecular Weight (g/mol) for PE 2 = 26,247Problem 1 Part A :For the polymer listed, given the mass range in (g/mol) and Ni (number fraction) and wi(weight fraction). Compute the number - average molecular weight for the polymer.        Your Answer =Problem 1 Part B:Calculate the weight - average molecular weight for the polymer        Your Answer =Problem 1 Part C:The degree of polymerization of for the polymer listed.        Your Answer =Problem 2 Part A:The tensile strength and number-average molecular weight for two polyethylene materials given above. Estimate the number-average molecular weight that is required to give a tensile strength required above. Using the data given find TS (infinity) in MPa        Your Answer =Problem 2 Part B:Using the data given in the problem, find A in Mpa-g/mol.        Your Answer =Problem 2 Part C:What is the number-average molecular weight that is required to give a tensile strength required above?        Your Answer =