Material science

Question 10 1 pts Identify whether the following initial/boundary conditions are validot valid for Fick's 2nd law. At t = 0, the initial concentration (Co) is constant for 0 0, the concentration (Cx) is constant for 0 sxsoo [ Select ] Att > 0, the surface concentration (Cs) is held constant at x = 0 [ Select] At t > 0, the concentration (Cx) is equal to the surface concentration (Cs) at x = 0 Question 11 1 pts Calculate the diffusion coefficient for N in Fe (BCC) at 1100 C. 5.87 x 10-10 m2/s 2.82 x 10-10 m2/s 3.67 x 10-11 m2/s 6.16 x 10-11 m2/s 1.18 x 10-9 m2/s 3.45 x 10-10 m2/s