Given handbook std enthalpies of formation at 298K for C5H10 (liq)=-105.9 kJ/mol and C5H10 (g)=-77.2 kJ/mol, estimate the normal boiling point of cyclopentane.

I calculated delta H (vap or rxn) to be +28.7 kJ/mol. I am not sure how to proceed from here. Thank you very much for your help.

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  1. I figured it use Trouton's rule of delta Svap is approx 88 J mol-1K-1 for normal bps of get 326K.

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