3) For equimolar mixtures of methanol and benzene between 25 °C and 55 °C, the heat of mixing (i.e., enthalpy change on mixing) can be represented by Δ Η A..!! -0.250 (4-²) B mix: RT where A = 2.475, B = 423.5, and T is in Kelvin. One hundred moles of each pure are added to a double-walled vessel. Each pure is initially at 30 °C, and the mixing is to be done isothermally. How much heat (in J) must be added or removed to ensure the vessel remains at a constant temperature? Based on your calculation, should steam or cooling water be supplied to the space between the walls of the vessel?
3) For equimolar mixtures of methanol and benzene between 25 °C and 55 °C, the heat of mixing (i.e., enthalpy change on mixing) can be represented by Δ Η A..!! -0.250 (4-²) B mix: RT where A = 2.475, B = 423.5, and T is in Kelvin. One hundred moles of each pure are added to a double-walled vessel. Each pure is initially at 30 °C, and the mixing is to be done isothermally. How much heat (in J) must be added or removed to ensure the vessel remains at a constant temperature? Based on your calculation, should steam or cooling water be supplied to the space between the walls of the vessel?
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:3) For equimolar mixtures of methanol and benzene between 25 °C and 55 °C, the
heat of mixing (i.e., enthalpy change on mixing) can be represented by
Δ Η
A..!! -0.250 (4-²)
B
mix:
RT
where A = 2.475, B = 423.5, and T is in Kelvin. One hundred moles of each pure
are added to a double-walled vessel. Each pure is initially at 30 °C, and the mixing
is to be done isothermally. How much heat (in J) must be added or removed to
ensure the vessel remains at a constant temperature? Based on your calculation,
should steam or cooling water be supplied to the space between the walls of the
vessel?
Transcribed Image Text:w
Q = 135,700 J (use steam)
Amix H = Q
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