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a) What assumptions are made in the derivation of the Langmuir equation? Use a diagram to illustrate your answer. b) A material has a monolayer capacity of 12.30 mmol g¹ for nitrogen adsorption at 77 K. Given that the area occupied by 1 molecule of nitrogen is 1.62 x 10-15 cm², what is the surface area of the material? Comment on the answer obtained in the context of your understanding of this parameter.

a) What assumptions are made in the derivation of the Langmuir equation? Use a diagram to illustrate your answer. b) A material has a monolayer capacity of 12.30 mmol g¹ for nitrogen adsorption at 77 K. Given that the area occupied by 1 molecule of nitrogen is 1.62 x 10-15 cm², what is the surface area of the material? Comment on the answer obtained in the context of your understanding of this parameter.

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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QB5. a) What assumptions are made in the derivation of the Langmuir equation? Use a diagram to illustrate your answer. b) A material has a monolayer capacity of 12.30 mmol g¹ for nitrogen adsorption at 77 K. Given that the area occupied by 1 molecule of nitrogen is 1.62 x 10-15 cm², what is the surface area of the material? Comment on the answer obtained in the context of your understanding of this parameter.
Transcribed Image Text:QB5. a) What assumptions are made in the derivation of the Langmuir equation? Use a diagram to illustrate your answer. b) A material has a monolayer capacity of 12.30 mmol g¹ for nitrogen adsorption at 77 K. Given that the area occupied by 1 molecule of nitrogen is 1.62 x 10-15 cm², what is the surface area of the material? Comment on the answer obtained in the context of your understanding of this parameter.
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