The diffusion coefficients for species A in metal B are given at two temperatures: T (°C)...

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Chemistry

The diffusion coefficients for species A in metal B are given attwo temperatures: T (°C) D (m2/s) 1040 6.22 × 10-17 1280 6.11×10-16 (a) Determine the value of the activation energy Qd (inJ/mol). Entry field with incorrect answer 1.04e5 J/mol (b)Determine the value of D0. Entry field with incorrect answer3.71e-22 m2/s (Use scientific notation.) (c) What is the magnitudeof D at 1160°C? Entry field with incorrect answer 3.69e-18 m2/s(Use scientific notation.)

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3.6 Ratings (312 Votes)
diffusion coefficient follow as D DoEXPQdRT T D VALUEm2s 1040C 1040273K 1313K 622 1017 1280C 1280273K 1553K 611 1016 R 8314 Jmol1K1 From above information we get two    See Answer
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