A polydisperse sample of polystyrene contains 5, 20, 50, 22, and 10 molecules with the corresponding molecular weights of 1000, 5000, 12000, 13000, and 14000 g mol-1 respectively. Calculate number average molecular weight (Mn), weight average molecular weight (Mw) and polydispersity index (PDI). Structures of four polymers are given below. Identify each polymer as conductive and non-conductive organic polymers and provide the reasons. a) (b) (d) (c) /hat are the fuel cells? Explain the role of electrolyte and polymer membrane in the Proton Exchange Membrane Fuel Cells (PEMFC).
A polydisperse sample of polystyrene contains 5, 20, 50, 22, and 10 molecules with the corresponding molecular weights of 1000, 5000, 12000, 13000, and 14000 g mol-1 respectively. Calculate number average molecular weight (Mn), weight average molecular weight (Mw) and polydispersity index (PDI). Structures of four polymers are given below. Identify each polymer as conductive and non-conductive organic polymers and provide the reasons. a) (b) (d) (c) /hat are the fuel cells? Explain the role of electrolyte and polymer membrane in the Proton Exchange Membrane Fuel Cells (PEMFC).
Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter29: Organic Polymer Chemistry
Section: Chapter Questions
Problem 29.23P
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