Q:

At a given temperature T , a surface with No adsorption centers has N

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At a given temperature T , a surface with No adsorption centers has N ≤ No adsorbed molecules. Suppose that there are no interactions between molecules. Show that the chemical potential of the adsorbed gas is given by

What is the meaning of the function a (T )?

 

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Suppose an adsorbed particle has energy -x. We then write the canonical partition function

Now we can use the grand-canonical formalism to write

from which we have

and the expression for the chemical potential with a = exp (βε).

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