1. Benzene has a vapor pressure of 0.127 bar at 298 K and an enthalpy of vaporization of30.7 kJ mol-'. The Cp,m Values of the vapor and liquid phases are 82.4 and 136 J K-' mol-lrespectively. Calculate the vapor pressure of benzene (1) at 340 K assuming:a) AvapH does not vary with Tb) AvapH(T) = AvapH(T,)+ AGp(T – T.)(assuming Cp is independent of T).

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1. Benzene has a vapor pressure of 0.127 bar at 298 K and an enthalpy of vaporization of 30.7 kJ mol-'. The CP,m values of the vapor and liquid phases are 82.4 and 136 J K' mol-" respectively. Calculate the vapor pressure of benzene (1) at 340 K assuming: a) AvapH does not vary with T b) AvapH(T) = AvapH(T,) + ACp(T – T.) (assuming Cp is independent of T).

1. Benzene has a vapor pressure of 0.127 bar at 298 K and an enthalpy of vaporization of 30.7 kJ mol-'. The CP,m values of the vapor and liquid phases are 82.4 and 136 J K' mol-" respectively. Calculate the vapor pressure of benzene (1) at 340 K assuming: a) AvapH does not vary with T b) AvapH(T) = AvapH(T,) + ACp(T – T.) (assuming Cp is independent of T).

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter84: Fractional Distillation, Azeotropes

Section: Chapter Questions

Problem 5P

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