Question

Is chemical adsorption exothermic or endothermic?​

Answer 1

Explanation:

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.

Answer 2

Answer:

$\huge\underline\frak\red{Answer★}$

Chemical reactions that absorb (or use) energy are called endothermic.