4) Fe-C has a background concentration of 0.20 wt% carbon and is heated to 1250 K. The carbon leaves the Fe and therefore has a 0 wt% carbon at the surface, and therefore the partial pressure of C at the surface can be assumed to be zero. After 8 hours, how far from the surface will the concentration of carbon be 0.15 wt% ? Use the value of the diffusion coefficient of 7x10-11 m²/s. Note: FOR CREDIT, "ALL WORK MUST BE SHOWN) (or se sin taurcasn assume 7 alirat
4) Fe-C has a background concentration of 0.20 wt% carbon and is heated to 1250 K. The carbon leaves the Fe and therefore has a 0 wt% carbon at the surface, and therefore the partial pressure of C at the surface can be assumed to be zero. After 8 hours, how far from the surface will the concentration of carbon be 0.15 wt% ? Use the value of the diffusion coefficient of 7x10-11 m²/s. Note: FOR CREDIT, "ALL WORK MUST BE SHOWN) (or se sin taurcasn assume 7 alirat
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4) Fe-C has a background concentration of 0.20 wt% carbon and is heated to 1250 K. The carbon
leaves the Fe and therefore has a 0 wt% carbon at the surface, and therefore the partial pressure of
C at the surface can be assumed to be zero. After 8 hours, how far from the surface will the
concentration of carbon be 0.15 wt% ? Use the value of the diffusion coefficient of 7x10-11 m²/s.
(Note: FOR CREDIT, "ALL" WORK MUST BE SHOWN) (0 CF-
se sin taucasn assume
alira](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8505b2fa-cd38-4e95-8b0b-c37d98f8d028%2F48602f87-66af-4e0d-9c8a-f73451e8a1d7%2Ftbze05f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:MUST BE
4) Fe-C has a background concentration of 0.20 wt% carbon and is heated to 1250 K. The carbon
leaves the Fe and therefore has a 0 wt% carbon at the surface, and therefore the partial pressure of
C at the surface can be assumed to be zero. After 8 hours, how far from the surface will the
concentration of carbon be 0.15 wt% ? Use the value of the diffusion coefficient of 7x10-11 m²/s.
(Note: FOR CREDIT, "ALL" WORK MUST BE SHOWN) (0 CF-
se sin taucasn assume
alira
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