The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the_________________?
Correct answer: A. Differential heat of adsorption
- A. Differential heat of adsorption
- B. Heat of wetting
- C. Integral heat of adsorption
- D. None of these
Explanation
Differential heat of adsorption is the enthalpy change for adsorbing an infinitesimal amount of gas on an adsorbent that already has a specified loading. Integral heat refers to the average heat for forming a specified total loading from a clean adsorbent.
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