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a. Using the experimental p, Vm data points of argon gas at 50 °C, determine the first 3 coefficients of the virial equation. Vm/dm³ mol-1 p/bar 0.05 1174.54 0.08 506.50 0.12 0.20 280.94 149.56 pVm RT 0.30 0.47 0.74 1.15 1.80 2.83 4.43 6.94 95.16 59.11 37.00 23.63 15.03 9.53 6.08 3.88 B = 1 + -+ Vm C D 3 2 Vm Vm + b. Use the coefficients a = 1.355 L² bar/mol and b = 0.03201 L/mol to calculate the pressure of argon using the van-der-Waals-equation. Where do the calculated values not correlate with the experimental data?

a. Using the experimental p, Vm data points of argon gas at 50 °C, determine the first 3 coefficients of the virial equation. Vm/dm³ mol-1 p/bar 0.05 1174.54 0.08 506.50 0.12 0.20 280.94 149.56 pVm RT 0.30 0.47 0.74 1.15 1.80 2.83 4.43 6.94 95.16 59.11 37.00 23.63 15.03 9.53 6.08 3.88 B = 1 + -+ Vm C D 3 2 Vm Vm + b. Use the coefficients a = 1.355 L² bar/mol and b = 0.03201 L/mol to calculate the pressure of argon using the van-der-Waals-equation. Where do the calculated values not correlate with the experimental data?

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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a. Using the experimental p, Vm data points of argon gas at 50 °C, determine the first 3 coefficients of the virial equation. Vm/dm³ mol-1 p/bar 0.05 1174.54 0.08 506.50 0.12 0.20 280.94 149.56 V₂ m = 1 + RT B V m 0.30 0.47 0.74 1.15 1.80 2.83 4.43 6.94 95.16 59.11 37.00 23.63 15.03 9.53 6.08 3.88 + C D 3 2 Vm² + b. Use the coefficients a = 1.355 L² bar/mol and b = 0.03201 L/mol to calculate the pressure of argon using the van-der-Waals-equation. Where do the calculated values not correlate with the experimental data?
Transcribed Image Text:a. Using the experimental p, Vm data points of argon gas at 50 °C, determine the first 3 coefficients of the virial equation. Vm/dm³ mol-1 p/bar 0.05 1174.54 0.08 506.50 0.12 0.20 280.94 149.56 V₂ m = 1 + RT B V m 0.30 0.47 0.74 1.15 1.80 2.83 4.43 6.94 95.16 59.11 37.00 23.63 15.03 9.53 6.08 3.88 + C D 3 2 Vm² + b. Use the coefficients a = 1.355 L² bar/mol and b = 0.03201 L/mol to calculate the pressure of argon using the van-der-Waals-equation. Where do the calculated values not correlate with the experimental data?
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