Question: Carbon is allowed to diffuse through a steel plate 15 mm thick. The concentrations of carbon at the two faces are 0.65 and 0.30 kg

Carbon is allowed to diffuse through a steel plate 15 mm thick. The concentrations of carbon at the two faces are 0.65 and 0.30 kg C/m³ Fe, which are maintained constant. If the preexponential and activation energy are 6.2 × 10^-7 m²/s and 80,000 J/mol, respectively, compute the temperature at which the diffusion flux is 1.43 × 10^-9 kg/m²-s.

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