How does the temperature affect the amount of gas dissolved?

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How does the temperature affect the amount of gas dissolved?

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Answer 1 · 2016-02-10T19:59:55

The solubility of gases in water increases when the temperature decreases.

Explanation:

The solubility of gases in water increases when the temperature decreases.

Why?

Gas particles have what is called an average kinetic energy $K E_{a v}$ $KE_(av)$ which solely depends on temperature as follows:

$K E_{a v} = \frac{3}{2} R T$ $KE_(av)=3/2RT$

Thus, when the temperature increases, the kinetic energy will increase and therefore, the gas particles will have enough energy to escape the liquid phase, and vice versa.

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How does the temperature affect the amount of gas dissolved?

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