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In: Chemistry

Why would an increase pressure and decrease temperature definitely result an originally saturated solution of O2(g)...

Why would an increase pressure and decrease temperature definitely result an originally saturated solution of O2(g) in H2O(l) becoming unsaturated WITHOUT removing oxygen​? Explain.

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Expert Solution

Since Oxygen is present in water in its dissolved form , and we know that gases are more soluble in liquids under high pressure and low temperatures .

So an increase in pressure and decrease in temperature will increase the solubilty of oxygen gas in water , which will result in unsaturation of the otherwise saturated solution without removing any oxygen or without adding any water into it .

Increasing the pressure force more oxygen particles into the water causing their dissolution , and low temperature conditions decrease the kinetic energy of the oxygen molecules so as to make them unable to leave the surface of the solution .

Hence the once saturated solution can dissolve more oxygen into it , in such conditions and becomes unsaturated.

queen_honey_blossom answered 2 years ago
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