Metallurgical Engineering > GATE 2021 > Kinetics
Nickel undergoes isothermal oxidation at 800 K for a duration of 400 s resulting in a weight gain of 2 mg cm2. The weight gain (mg cm2) after a duration of 1600 s is: _______ (round off to nearest integer). Assume: Weight gain is proportional to square root of time.
Correct : 4
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