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yangjalimesh
Asked: 2021-06-20T13:35:51+05:30 In:

The time taken for 50% recrystallization of cold worked Al is 100 hours at 500 K and 10 minutes at 600 K. Assuming Arrhenius kinetics, the activation energy for recrystallization in kJ is (A) 50 (B) 80 (C) 160 (D) 320

The time taken for 50% recrystallization of cold worked Al is 100 hours at 500 K and 10 minutes at 600 K. Assuming Arrhenius kinetics, the activation energy for recrystallization in kJ is (A) 50 (B) 80 (C) 160 (D) 320
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    2 Answers

    1. Platinum GATE 2021 QUALIFIED

      The activation energy is coming 159.53 Kj/mol

      The activation energy is coming 159.53 Kj/mol

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      The time taken for 50% recrystallization of cold worked Al is 100 hours at 500 K and 10 minutes at 600 K. Assuming Arrhenius kinetics, the activation energy for recrystallization in kJ is (A) 50 (B) 80 (C) 160 (D) 320
      • 1
    2. Myself

      is it 160 kj

      is it 160 kj

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