A pressure vessel of 5 litre internal volume contains a mixture of n-pentane and n- hexane. The following information on the pure component properties is provided. The pressure and temperature in the vessel are 200 kPa and 68.7 °C, respectively and it is known that both liquid and vapour phases are present in the vessel and the system obeys Raoult's law. Calculate the Molar composition of the liquid phase present in the vessel. Component n-Pentane n-Hexane Molar Mass (kg/kmol) 72 86 Normal Boiling Point (°C) 36.1 68.7 n-pentane=45 mol % & n-hexane-55 mol% n-pentane=55 mol % & n-hexane=45 mol% n-pentane=57 mol% & n-hexane-43 mol% n-pentane=61 mol % & n-hexane-39 mol% Latent Heat of Vaporization (MJ/kmol) 25.77 29.04

A pressure vessel of 5 litre internal volume contains a mixture of n-pentane and n- hexane. The following information on the pure component properties is provided. The pressure and temperature in the vessel are 200 kPa and 68.7 °C, respectively and it is known that both liquid and vapour phases are present in the vessel and the system obeys Raoult's law. Calculate the Molar composition of the liquid phase present in the vessel. Component n-Pentane n-Hexane Molar Mass (kg/kmol) 72 86 Normal Boiling Point (°C) 36.1 68.7 n-pentane=45 mol % & n-hexane-55 mol% n-pentane=55 mol % & n-hexane=45 mol% n-pentane=57 mol% & n-hexane-43 mol% n-pentane=61 mol % & n-hexane-39 mol% Latent Heat of Vaporization (MJ/kmol) 25.77 29.04

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

A pressure vessel of 5 litre internal volume contains a mixture of n-pentane and n-
hexane. The following information on the pure component properties is provided.
The pressure and temperature in the vessel are 200 kPa and 68.7 °C, respectively
and it is known that both liquid and vapour phases are present in the vessel and the
system obeys Raoult's law. Calculate the Molar composition of the liquid phase
present in the vessel.
Component
n-Pentane
n-Hexane
Molar Mass
(kg/kmol)
72
86
Normal Boiling
Point
(°C)
36.1
68.7
n-pentane=45 mol % & n-hexane-55 mol%
On-pentane-55 mol% & n-hexane=45 mol%
n-pentane-57 mol % & n-hexane-43 mol %
n-pentane=61 mol % & n-hexane=39 mol%
Latent Heat of
Vaporization
(MJ/kmol)
25.77
29.04

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