Chemistry, asked by starbasher23, 16 days ago

define adsorption and why it is exothermic in nature​

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Answered by INFORMATIVENINE
1

Answer:

Adsorption is a surface phenomenon. ... During this process the residual forces on the surface of adsorbent decreases which in turn decreases the surface energy. This energy appears in the form of heat, hence adsorption is exothermic in nature.

more info;-

Adsorption is an exothermic process since surface particles of the adsorbent are unstable and when the adsorbate is adsorbed on the surface, the energy of adsorbent decreases, and this results in the evolution of heat. Therefore, adsorption is always exothermic

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