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).

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter17: Spontaneity, Entropy, And Free Energy

Section: Chapter Questions

Problem 128IP: Some nonelectrolyte solute (molar mass = 142 g/mol) was dissolved in 150. mL of a solvent (density =...

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