(a) What is the concentration of hydrogen at the low-pressure (or B) side in wt%? CH(B) = i 4.65E+3 wt% (b) What is the concentration of hydrogen at the high-pressure (or A) side in wt%? CH(A) = i 3.89E+2 wt%
(a) What is the concentration of hydrogen at the low-pressure (or B) side in wt%? CH(B) = i 4.65E+3 wt% (b) What is the concentration of hydrogen at the high-pressure (or A) side in wt%? CH(A) = i 3.89E+2 wt%
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter5: Gases
Section: Chapter Questions
Problem 5.93PAE: 93 The complete combustion of octane can be used as a model for the burning of gasoline:...
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![When a-iron is subjected to an atmosphere of hydrogen gas, the concentration of hydrogen in the iron, CH (in weight percent), is a
function of hydrogen pressure, PH₂ (in MPa), and absolute temperature (T) according to
CH= 1.34 x 10-²
√PH₂ exp(-
Furthermore, the values of Do and Qd for this diffusion system are 4.0 × 107 m²/s and 14 kJ/mol, respectively. Consider a thin iron
membrane 1.4-mm thick that is at 204°C. Calculate the diffusion flux [in kg/(m²-s)] through this membrane if the hydrogen pressure on
one side of the membrane is 0.11 MPa, and on the other side 7.7 MPa, given that the density of iron is 7.87 g/cm³.
27.2 kJ/mol
RT](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F46029127-96a5-4dc2-997a-3c090d1aab2d%2F73a022fa-6348-4eed-b4de-091439e5fbeb%2F0y2sr58_processed.png&w=3840&q=75)
Transcribed Image Text:When a-iron is subjected to an atmosphere of hydrogen gas, the concentration of hydrogen in the iron, CH (in weight percent), is a
function of hydrogen pressure, PH₂ (in MPa), and absolute temperature (T) according to
CH= 1.34 x 10-²
√PH₂ exp(-
Furthermore, the values of Do and Qd for this diffusion system are 4.0 × 107 m²/s and 14 kJ/mol, respectively. Consider a thin iron
membrane 1.4-mm thick that is at 204°C. Calculate the diffusion flux [in kg/(m²-s)] through this membrane if the hydrogen pressure on
one side of the membrane is 0.11 MPa, and on the other side 7.7 MPa, given that the density of iron is 7.87 g/cm³.
27.2 kJ/mol
RT
Transcribed Image Text:(a) What is the concentration of hydrogen at the low-pressure (or B) side in wt%?
CH(B) = i 4.65E+3
wt%
(b) What is the concentration of hydrogen at the high-pressure (or A) side in wt%?
CH(A) = i 3.89E+2
wt%
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Transcribed Image Text:(a) What is the concentration of hydrogen at the B face in kilograms of H per cubic meter?
C'H(B) = i
kg/m³
(b) What is the concentration of hydrogen at the A face in kilograms of H per cubic meter?
C'H(A) =
kg/m³
i
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