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In the solvent hexane, the average end-to-end distance of a 7 kDa molecular weight poly(ethylene glycol) polymer chain is 3.65 nm and the average

In the solvent hexane, the average end-to-end distance of a 7 kDa molecular weight poly(ethylene glycol) polymer chain is 3.65 nm and the average end-to-end distance of a 56 kDa molecular weight poly(ethylene glycol) polymer chain is 7.30 nm. By calculation, show whether hexane is a good, poor or theta solvent for poly(ethylene glycol). (i) (7 marks)

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