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(Q1-18) Consider one dimensional mass transfer with homogeneous chemical reaction in the r direction for a cylinder with height H and radius R. The differential

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(Q1-18) Consider one dimensional mass transfer with homogeneous chemical reaction in the r direction for a cylinder with height H and radius R. The differential control volume used for mass balance is: O 2rHdr O 2ARHdr 21RHDR O 2 HDR None of the given answers

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