Adsorptions Showing Intermediate Freedom

This section includes the majority of physically adsorbed substances, and it is only in the exceptional cases that the loss of entropy can be attributed to the loss of particular degrees of freedom. In Table VII are given an extract of Foster s results for adsorptions on ferric oxide and silica gels together with the loss in entropy calculated for the loss of translational movement normal to the surface. In each case the area 

Adsorptions on Ferric Oxide and Silica Gels (Standard State 6 = ) 

Adsorbate Adsorbent Temp. °K. AS e.u. exptl. 2 trans 8 tran b 

Adsorption of Vapors on Mercury (Standard State ic = 0.0608 dynes/cm.) 

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