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4. Compute the interaction parameters for each of the following polymer-solvent pair at 313.15K: (20 points) a. Polystyrene and n-hexane b. Polystyrene and cyclo-hexane c.

image text in transcribed 4. Compute the interaction parameters for each of the following polymer-solvent pair at 313.15K: (20 points) a. Polystyrene and n-hexane b. Polystyrene and cyclo-hexane c. Polyethylene and methanol d. Polyethylene and ethanol iven that: ias constant, R=1.987cal/mol/K; olymer Solubility Parameter ((cal/cm3)1/2): Polyethylene =7.9; Polystyrene =9.1

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