What is the typical magnitude of the heat of adsorption during physical adsorption, expressed in kcal per kilogram mole?

Chemical Reaction MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Chemical Reactionchemical-engineering › chemical-reaction
Published
23 Feb 2019
Last updated
28 May 2026

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Explanation

The heat of adsorption for physical adsorption processes is generally about 100 kcal/kg mole, which is significantly lower than values observed in chemical adsorption.

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