The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its

differential heat of adsorption.

The change in enthalpy per unit weight of adsorbed gas when adsorbed o

1.	The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its
A.	integral heat of adsorption.
B.	heat of wetting.
C.	differential heat of adsorption.
D.	heat of normal condensation.
Answer» B. heat of wetting.

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The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its

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