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The gas hydrogen is diffusing through a sheet of vulcanized rubber 20 mm thick at 25 °C. the partial pressure of H, is 1.5 atm inside and 0 outside. Using the data from Table 1, calculate the following: (a) The diffusivity DAB from the permeability PM and solubility S, and compare with the value in Table 1 АВ (b) The flux N, of H, at steady state

The gas hydrogen is diffusing through a sheet of vulcanized rubber 20 mm thick at 25 °C. the partial pressure of H, is 1.5 atm inside and 0 outside. Using the data from Table 1, calculate the following: (a) The diffusivity DAB from the permeability PM and solubility S, and compare with the value in Table 1 АВ (b) The flux N, of H, at steady state

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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DA Permeability, P m² solute(STP)' S-m - atmi m Diffusion Solubility, S [m' solute(STP)] m' solid - atm Solute Solid Coefficient (A) (B) T(K) Ref Table 1: Diffusivities and Permeabilities (B5) H2 Vulcanized rubber 0.85(10-") 0.342(10-19) 298 0.040 in Solids 298 0.21(10-º) 0.15(10-) 0.11(10-") 0.152(10-1") 0.054(10-1") 1.01(10-1) 0.070 N, CO, H; (B5) (BS) (B5) 298 0.035 298 0.90 Vulcanized 0.103(10-9) 0.180(10-9) neoprene 290 0.051 (B5) (B5) (R3) 300 0.053 H, O2 N2 Polyethylene 298 6.53(10-12) 4.17(10-") 1.52(10-12) 0.029(10-12) 0.0152(10-1) 303 (R3) (R3) 303 O2 Nylon 303 (R3) N2 303 (R3) Air English leather 298 0.15-0.68 × 10 * (B5) (B5) 306 H,O H,O Wax 0.16(10-1) 0.91-1.82(10-1") 4.86(10-15) 20.1(10-") Cellophane Pyrex glass 311 (B5) Не 293 (B5) 373 (B5) SiO2 2.4–5.5(10-4) 2.59(10-13) 1.3(10-*) Не 293 (B5) (B5) 0.01 Fe 293 Al Cu 293 (B5)
Transcribed Image Text:DA Permeability, P m² solute(STP)' S-m - atmi m Diffusion Solubility, S [m' solute(STP)] m' solid - atm Solute Solid Coefficient (A) (B) T(K) Ref Table 1: Diffusivities and Permeabilities (B5) H2 Vulcanized rubber 0.85(10-") 0.342(10-19) 298 0.040 in Solids 298 0.21(10-º) 0.15(10-) 0.11(10-") 0.152(10-1") 0.054(10-1") 1.01(10-1) 0.070 N, CO, H; (B5) (BS) (B5) 298 0.035 298 0.90 Vulcanized 0.103(10-9) 0.180(10-9) neoprene 290 0.051 (B5) (B5) (R3) 300 0.053 H, O2 N2 Polyethylene 298 6.53(10-12) 4.17(10-") 1.52(10-12) 0.029(10-12) 0.0152(10-1) 303 (R3) (R3) 303 O2 Nylon 303 (R3) N2 303 (R3) Air English leather 298 0.15-0.68 × 10 * (B5) (B5) 306 H,O H,O Wax 0.16(10-1) 0.91-1.82(10-1") 4.86(10-15) 20.1(10-") Cellophane Pyrex glass 311 (B5) Не 293 (B5) 373 (B5) SiO2 2.4–5.5(10-4) 2.59(10-13) 1.3(10-*) Не 293 (B5) (B5) 0.01 Fe 293 Al Cu 293 (B5)
The gas hydrogen is diffusing through a sheet of vulcanized rubber 20 mm thick at 25 °C. the partial pressure of H, is 1.5 atm inside and 0 outside. Using the data from Table 1, calculate the following: (a) The diffusivity DAB from the permeability PM and solubility S, and compare with the value in Table 1 АВ (b) The flux N, of H, at steady state
Transcribed Image Text:The gas hydrogen is diffusing through a sheet of vulcanized rubber 20 mm thick at 25 °C. the partial pressure of H, is 1.5 atm inside and 0 outside. Using the data from Table 1, calculate the following: (a) The diffusivity DAB from the permeability PM and solubility S, and compare with the value in Table 1 АВ (b) The flux N, of H, at steady state
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