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Carbon is used to harden the surface of a steel sheet. The sheet is 2. 0 mm thic

ID: 899283 • Letter: C

Question

Carbon is used to harden the surface of a steel sheet. The sheet is 2. 0 mm thick. The sheet is exposed to a high pressure carbon gas on one side (side 1), with pressure 250 psi and temperature 950 degreeC. There is lower pressure carbon gas on the other on the other side (side 2), also at 950 degreeC. The diffusion coefficient for trough steel at this temperature is D = 2. 0 Times 10^-10 m^2/s. What is the concentration of carbon in the gas on side 1?For this, assume the gas is carbon dioxide. . ! C atom per molecule (use A - 12. 01 g/mc

Explanation / Answer

Carbon is used to harden the surface of a steel sheet. The sheet is 2. 0 mm thic