Hastelloy is a nickel-moly alloy that is commonly used in the metal industry. The diffusion coefficient of molybdenum in nickel at 500 °C is 5.5 x 10-4 m2/ s. This process has an activation energy of...

Give answer all questions with explanation

Extracted text: Hastelloy is a nickel-moly alloy that is commonly used in the metal industry. The diffusion coefficient of molybdenum in nickel at 500 °C is 5.5 x 10-4 m2/ s. This process has an activation energy of 145.9 kJ / mol. A. Calculate the maximum diffusion coefficient at infinite temperature. B. Determine at what temperature the diffusion coefficient is 4.83 x 10-11 m2 / s.