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1. The following data refer to the adsorption of butane at 0°C onto tungsten powder (area 16.7 m² g¹). Determine whether the data can be fitted with the Langmuir isotherm. If yes, then calculate the number of moles adsorbed in a monolayer, and hence the molecular area for the adsorbed butane (at monolayer coverage); and compare it with the value of 32 x10-20 m² estimated from the density of liquid butane. Relative pressure p/pº 0.06 0.12 0.17 0.23 0.30 0.37 Volume adsorbed (at s.t.p.) Vads)/ 1.10 1.34 1.48 1.66 1.85 2.05 cm³ g-¹

1. The following data refer to the adsorption of butane at 0°C onto tungsten powder (area 16.7 m² g¹). Determine whether the data can be fitted with the Langmuir isotherm. If yes, then calculate the number of moles adsorbed in a monolayer, and hence the molecular area for the adsorbed butane (at monolayer coverage); and compare it with the value of 32 x10-20 m² estimated from the density of liquid butane. Relative pressure p/pº 0.06 0.12 0.17 0.23 0.30 0.37 Volume adsorbed (at s.t.p.) Vads)/ 1.10 1.34 1.48 1.66 1.85 2.05 cm³ g-¹

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
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1. The following data refer to the adsorption of butane at 0°C onto tungsten powder (area 16.7 m² g¹). Determine whether the data can be fitted with the Langmuir isotherm. If yes, then calculate the number of moles adsorbed in a monolayer, and hence the molecular area for the adsorbed butane (at monolayer coverage); and compare it with the value of 32 x10-20 m² estimated from the density of liquid butane. Relative pressure p/pº Volume adsorbed (at s.t.p.) V(ads)/ 1.10 1.34 cm³ g-¹ 0.06 0.12 0.17 0.23 0.30 0.37 1.48 1.66 1.85 2.05
Transcribed Image Text:1. The following data refer to the adsorption of butane at 0°C onto tungsten powder (area 16.7 m² g¹). Determine whether the data can be fitted with the Langmuir isotherm. If yes, then calculate the number of moles adsorbed in a monolayer, and hence the molecular area for the adsorbed butane (at monolayer coverage); and compare it with the value of 32 x10-20 m² estimated from the density of liquid butane. Relative pressure p/pº Volume adsorbed (at s.t.p.) V(ads)/ 1.10 1.34 cm³ g-¹ 0.06 0.12 0.17 0.23 0.30 0.37 1.48 1.66 1.85 2.05
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