10mg of an adsorbate gets adsorbed on a surface. This causes the release of 3J of heat at constant pressure and at `27^(ul@)C`. [Molar mass of adsorbate = 100 g/mol].
(i) Find `triangleH_("adsorption").`
(ii) Argue whether the adsorption is physical or chemical ?
(iii) If 20 mg of adsorbate is adsorbed at temperature `T_(0)`. Then compare `T_(0)` and `27^(ul@)C` :

Explanation

`T_(0) lt 27^(ul@)C`