Question

Why do gases always tends to be less soluble in liquides as the temp raised?

Answer 1

"Solubility of gases in liquidsdecreases with an increase intemperature. This is because dissolution of gases in liquids is an exothermic process. Therefore, when the temperature is increased, heat issupplied and the equilibrium shifts backwards, thereby decreasing thesolubility of gases."

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Answer 2

Hey !!

                     Gas + Liquid ⇄ Dissolved gas ; ΔH = -ve

Dissolution of gas in liquid is an exothermic process. As the temperature is increased, according to LeChatelier's principle the equilibrium will shift backward. This results in decrease of solubility of gases in liquid.

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