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The energy of adsorption in the first layer is ____________

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in Engineering Chemistry I by (506k points)
The energy of adsorption in the first layer is ____________

(a) Increasing

(b) Decreasing

(c) Constant

(d) None of the mentioned

The question was asked in final exam.

My question is from B. E. T. Adsorption Isotherm topic in portion Criteria of Purity and Characterisation of Materials of Engineering Chemistry I

1 Answer

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by (1.2m points)
Right choice is (c) Constant

Easy explanation: The energy of adsorption in the first layer is constant. It aims to explain the physical adsorption of gas molecules on a solid surface and serves as the basis for an important analysis technique for the measurement of the specific surface area of a material.

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