5.10 Discuss the effect of pressure and temperature on the adsorption of gases on solids.
Step 1:
Effect of pressure
Adsorption is a reversible process and is accompanied by a decrease in pressure. Therefore, adsorption increases with an increase in pressure.
Step 2:
Effect of temperature
Adsorption is an exothermic process. Thus, in accordance with Le-Chatelier’s principle, if we increase the temperature then a backward reaction is favored. Hence, the magnitude of adsorption decreases with an increase in temperature.
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