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Question: the firstorder irreversible reaction a b takes place in a...

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The first-order, irreversible reaction (A B) takes place in a 0.3 cm radius spherical catalyst pellet at T 450 K. At 0.7 atm partial pressure of A, the pellets production rate is -2.5 x 103 mol/(g s). Determine the production ratė at the same temperature in a 0.15 cm radius spherical pellet. The pellet density is p,-0.85 g/cm3. The effective diffusivity of A in the pellet is Da 0.007 cm2/s. Hint: R,--7keu, Φ , and η

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