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cm | of ethylene (vapor) at 25°C and 12 bars. Calculate the Z and V mol, 83.1450 bar-cm³ -. Use the following methods: Use R = - mol-K a. Expansion in P using up to 2nd virial coefficient taken from generalized correlation Hint:

cm | of ethylene (vapor) at 25°C and 12 bars. Calculate the Z and V mol, 83.1450 bar-cm³ -. Use the following methods: Use R = - mol-K a. Expansion in P using up to 2nd virial coefficient taken from generalized correlation Hint:

Introduction to Chemical Engineering Thermodynamics
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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Equation of States (EOS) are simply equations that help you predict the Pressure, Volume, or Temperature values of fluids at different conditions. If the two are known, the last one can be computed. There are many EOS. The simplest is the Ideal gas Law: PV=nRT. However, the value solved by this equation is quite far from the real value since real gases do not follow the assumption of the Ideal Gas found in the Kinetic Molecular Theory (e.g. real gases are not perfectly spherical). So instead, we use more powerful EOS for real gases. In this problem you are asked to solve the compressibility factor (2) and Volume (V) of ethylene (vapor) using different EOS - generalized correlation, Soave Redlich Kwong, and Peng Robinson. Please see the slides for the difference of the 3 EOS. Note that if Z = 1 the fluid is ideal gas. If Z is not equal to 1, the fluid is not ideal gas. Hence Z is a measure of departure of the gas from ideality. cm Calculate the Z and V mol, of ethylene (vapor) at 25°C and 12 bars. 83.1450 bar-cm3 Use R = Use the following methods: mol-K a. Expansion in P using up to 2nd virial coefficient taken from generalized correlation Hint: Step 1: Calculate the Tr (reduced Temperature) and Pr (reduced Pressure). Step 2: Calculate Bº and B'. Step 3: Calculate Z. Step 4: Calculate V. b. Soave (SRK) Hint: Write the overall formula of the SRK. Step 1: Calculate the "a" and "b". The formulas for the "a" and "b" for SRK is provided in the slides, book, or pdf notes. You may need to refer to the handbook for some of the constants needed in the computation.
Transcribed Image Text:Equation of States (EOS) are simply equations that help you predict the Pressure, Volume, or Temperature values of fluids at different conditions. If the two are known, the last one can be computed. There are many EOS. The simplest is the Ideal gas Law: PV=nRT. However, the value solved by this equation is quite far from the real value since real gases do not follow the assumption of the Ideal Gas found in the Kinetic Molecular Theory (e.g. real gases are not perfectly spherical). So instead, we use more powerful EOS for real gases. In this problem you are asked to solve the compressibility factor (2) and Volume (V) of ethylene (vapor) using different EOS - generalized correlation, Soave Redlich Kwong, and Peng Robinson. Please see the slides for the difference of the 3 EOS. Note that if Z = 1 the fluid is ideal gas. If Z is not equal to 1, the fluid is not ideal gas. Hence Z is a measure of departure of the gas from ideality. cm Calculate the Z and V mol, of ethylene (vapor) at 25°C and 12 bars. 83.1450 bar-cm3 Use R = Use the following methods: mol-K a. Expansion in P using up to 2nd virial coefficient taken from generalized correlation Hint: Step 1: Calculate the Tr (reduced Temperature) and Pr (reduced Pressure). Step 2: Calculate Bº and B'. Step 3: Calculate Z. Step 4: Calculate V. b. Soave (SRK) Hint: Write the overall formula of the SRK. Step 1: Calculate the "a" and "b". The formulas for the "a" and "b" for SRK is provided in the slides, book, or pdf notes. You may need to refer to the handbook for some of the constants needed in the computation.
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