A thin layer of carbon ( 0.16 grams / m²) is placed between two long bars of Fe at 1273 K . Calculate carbon concentration ( grams / m3 AND wt% C) at 3X105 seconds at x = 0.50 mm (.0005 m) from the junction. For diffusion of C in Fe: ; D = 3.0×10-11 m²/sec at 1273 K ; Density, p = 7900 kg/m³ %3D

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
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Find carbon concentration
A thin layer of carbon ( 0.16 grams / m²) is placed between two long bars of Fe at 1273 K.
Calculate carbon concentration ( grams / m3 AND wt% C) at 3×105 seconds at
x = 0.50 mm (.0005 m) from the junction.
(1)
For diffusion of C in Fe: ; D = 3.0×10-11 m²/sec at 1273 K ; Density, p = 7900 kg/m3
Transcribed Image Text:A thin layer of carbon ( 0.16 grams / m²) is placed between two long bars of Fe at 1273 K. Calculate carbon concentration ( grams / m3 AND wt% C) at 3×105 seconds at x = 0.50 mm (.0005 m) from the junction. (1) For diffusion of C in Fe: ; D = 3.0×10-11 m²/sec at 1273 K ; Density, p = 7900 kg/m3
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