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

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 1.6 × 10-14 m2/s?