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Polystyrene has a statistical segment length of 0.67 nm in the melt and a density of...

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Chemistry

Polystyrene has a statistical segment length of 0.67 nm in themelt and a density of 1.05 g/cm**3.

*find the molecular weight of repeated unit

* Find the characterstic ratio C∞for polystyrene using the knownbond distances. Bond lenght of C-Cbond is 0.154nm

* Find the contour length of a PS chain of molecular weight M =70,000 g/mol.

* Find the persistent length of PS, and give the physicalmeaning of persistent lenght

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