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
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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Question
![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)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb5561bd0-6edc-4512-8604-7998eb76d6f8%2Fa963a28c-5efc-4137-8ae4-b4175b9b44cf%2Fn9ktl88_processed.png&w=3840&q=75)
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)
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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