## The preexponential and activation energy for the diffusion of chromium in nickel are 1.1 × 10-4 m2/s and 272,000 J/mol, respectively. At what temperature (in ˚C) will the diffusion coefficient have a value of 1.8 × 10-14 m2/s?

The preexponential and activation energy for the diffusion of chromium in nickel are 1.1 × 10-4 m2/s and 272,000 J/mol, respectively. At what temperature (in ˚C) will the diffusion coefficient have a value of 1.8 × 10-14 m2/s? EXPERT ANSWER