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Homework 3 Problems - Nature and Properties of Materials | CHE 294, Assignments of Chemistry

Material Type: Assignment; Class: NATURE & PROPERTIES OF MATLS; Subject: Chemical Engineering; University: University of Alabama - Huntsville; Term: Unknown 1989;

Typology: Assignments

Pre 2010

Uploaded on 07/23/2009

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Homework 3 - Graph
Constants
Rg 8.314
Eact 1.26E+05
Do 1.50E-05
Data were generated using equation D = Do * exp(– Eact/(Rg*T))
T (oC) T (K) D ln(D) 1/T
100 373.15 3.4483E-23 -51.721583 0.00267989
150 423.15 4.1859E-21 -46.922561 0.00236323
200 473.15 1.8428E-19 -43.13781 0.00211349
250 523.15 3.9354E-18 -40.076513 0.0019115
300 573.15 4.9264E-17 -37.549334 0.00174474
350 623.15 4.111E-16 -35.427704 0.00160475
400 673.15 2.5031E-15 -33.621254 0.00148555
The following page shows the quality of plot that can be made using Excel.
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che294f97hmwrk03plot

Homework 3 - Graph

Constants Rg 8. Eact 1.26E+ Do 1.50E-

Data were generated using equation D = Do * exp(– Eact/(Rg*T))

T (oC) T (K) D ln(D) 1/T 100 373.15 3.4483E-23 -51.721583 0. 150 423.15 4.1859E-21 -46.922561 0. 200 473.15 1.8428E-19 -43.13781 0. 250 523.15 3.9354E-18 -40.076513 0. 300 573.15 4.9264E-17 -37.549334 0. 350 623.15 4.111E-16 -35.427704 0. 400 673.15 2.5031E-15 -33.621254 0.

The following page shows the quality of plot that can be made using Excel.

Page 1

che294f97hmwrk03plot

Cu Diffusion Into Al

Inverse Temperature [1/K]

ln (D)

Page 2