QUESTION 5 An experiment is conducted to determine the variation of the diffusion coefficient as a function of temperature when carbon is diffused into BCC iron. The diffusion coefficient is measured...

Extracted text: QUESTION 5 An experiment is conducted to determine the variation of the diffusion coefficient as a function of temperature when carbon is diffused into BCC iron. The diffusion coefficient is measured at two different temperatures and is given by: Temp (°C) D (m2/s) 131 6.1 x 10-12 587 3.2 x 10-10 Calculate the diffusion coefficient D (m-/s) at a temperature of 345 °C by fitting the data to Q d RT D=Do e (answer must be in exponential form i.e 0.0012 is written as 1.2e-3 and spaces are not allowed)