A very large tank is made of FCC iron sheet. Hydrogen is stored inside the tank at 900 ° C. Due to their size, hydrogen atoms have the ability to enter the crystal structure of iron and pass through the tank walls by means of interstitial diffusion. If the tank walls are 5 mm thick and the surface area through which the hydrogen passes is 5 m2, how many grams of hydrogen pass through the tank walls in 90 days? The hydrogen concentration on the inner wall of the tank is 1x1020 atoms per cm3 and the concentration on the outer wall is 4x1019 atoms per cm3. Due to the size of the tank, it can be assumed that the hydrogen concentrations inside and outside the tank do not change. For hydrogen in iron FCC, Q = 10,300 cal / mol and D0 = 0.0063 cm2 / s R = 1,987 cal / mol K The molecular weight of hydrogen is 1 g / mol
A very large tank is made of FCC iron sheet. Hydrogen is stored inside the tank at 900 ° C. Due to their size, hydrogen atoms have the ability to enter the crystal structure of iron and pass through the tank walls by means of interstitial diffusion. If the tank walls are 5 mm thick and the surface area through which the hydrogen passes is 5 m2, how many grams of hydrogen pass through the tank walls in 90 days? The hydrogen concentration on the inner wall of the tank is 1x1020 atoms per cm3 and the concentration on the outer wall is 4x1019 atoms per cm3. Due to the size of the tank, it can be assumed that the hydrogen concentrations inside and outside the tank do not change. For hydrogen in iron FCC, Q = 10,300 cal / mol and D0 = 0.0063 cm2 / s R = 1,987 cal / mol K The molecular weight of hydrogen is 1 g / mol
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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A very large tank is made of FCC iron sheet. Hydrogen is stored inside the tank at 900 ° C. Due to their size, hydrogen atoms have the ability to enter the crystal structure of iron and pass through the tank walls by means of interstitial diffusion.
If the tank walls are 5 mm thick and the surface area through which the hydrogen passes is 5 m2, how many grams of hydrogen pass through the tank walls in 90 days?
The hydrogen concentration on the inner wall of the tank is 1x1020 atoms per cm3 and the concentration on the outer wall is 4x1019 atoms per cm3. Due to the size of the tank, it can be assumed that the hydrogen concentrations inside and outside the tank do not change.
For hydrogen in iron FCC, Q = 10,300 cal / mol and D0 = 0.0063 cm2 / s
R = 1,987 cal / mol K
The molecular weight of hydrogen is 1 g / mol
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