Adsorption Isotherm Curve: The low pressure (beginning region) of an adsorption isotherm curve can be approximated with a linear equation of the form: X₁* = K x P₁. The data in the table below provides laboratory measured values of the partial pressure of an adsorbate P₁ versus the mass fraction of adsorbate on the adsorbent X₁*. Determine the value of K for the equation above using the data in the table, and also provide the r-squared value of this linear equation fit. Recommend you use the linear regression function in EXCEL to determine these answers. X* (gr adsorbate/gr PCC14 (mm Hg) adsorbent) 0 0 2 0.084 3.5 0.15 5 0.27 7 0.38 10 0.525 Value of K in equation above r-squared value from linear equation fit

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
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4. Adsorption Isotherm Curve: The low pressure (beginning region) of an adsorption isotherm
curve can be approximated with a linear equation of the form:
X₁* = K x P₁. The data in the table below provides laboratory measured values of the partial
pressure of an adsorbate P¡ versus the mass fraction of adsorbate on the adsorbent X;*.
Determine the value of K for the equation above using the data in the table, and also provide
the r-squared value of this linear equation fit. Recommend you use the linear regression
function in EXCEL to determine these answers.
X*
(gr adsorbate/gr
PCC14
(mm Hg)
adsorbent)
0
0
2
0.084
3.5
0.15
5
0.27
7
0.38
10
0.525
Value of K in equation above
r-squared value from linear equation fit
Transcribed Image Text:4. Adsorption Isotherm Curve: The low pressure (beginning region) of an adsorption isotherm curve can be approximated with a linear equation of the form: X₁* = K x P₁. The data in the table below provides laboratory measured values of the partial pressure of an adsorbate P¡ versus the mass fraction of adsorbate on the adsorbent X;*. Determine the value of K for the equation above using the data in the table, and also provide the r-squared value of this linear equation fit. Recommend you use the linear regression function in EXCEL to determine these answers. X* (gr adsorbate/gr PCC14 (mm Hg) adsorbent) 0 0 2 0.084 3.5 0.15 5 0.27 7 0.38 10 0.525 Value of K in equation above r-squared value from linear equation fit
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