Metallurgical Engineering > GATE 2024 > Kinetics
A non-porous spherical Fe2O3 particle of initial radius of 5 × 10-2 m is topo-chemically reduced by H2 where the reactant-product interface is sharp and spherical, and reaction rate is proportional to the interfacial area. The radius of the unreacted Fe2O3 particle after 600 s will be _______ × 10-2 m. (Round off to the nearest integer).
Given: Rate constant k = 5 × 10-5 m⋅s-1

Correct : 2

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