The self-diffusion coefficient of pure iron were measured at various temperature as follows; 880 C : 2.52*10 5 (m /sec) : 900"C : 3.66-105 (m-/see) 920 C : 3.76*10" (m'/see) : 940 C : 5.87+1016 (m /sec) D= Doe (# ) It was observed that diffusion coefficients at lower temperature are greater than those of higher temperature. Do you think the data is reliable? If not, explain your answer. (5 points)