Gas solubility in gas versus liquid

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Discussion Overview

The discussion revolves around the solubility of gases in different media, specifically comparing gas solubility in gases versus liquids. Participants explore the implications of gas solubility on phenomena such as ultrasonic cavitation and the behavior of gases in various systems.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants question whether the solubility of a gas in a liquid affects its ability to mix with another gas, particularly in the context of ultrasonic cavitation.
  • There are differing views on whether a more soluble gas can more easily enter a bubble from the liquid or if it is more capable of leaving the bubble into the liquid.
  • One participant suggests that the rate at which a soluble gas can be pushed into a liquid increases with solubility, while they question if solubility influences the rate of gas extraction from the liquid.
  • Another participant draws comparisons between the rates of gas evolution in various scenarios, such as carbonated beverages going flat and nitrogen bubbles in divers' bloodstreams.

Areas of Agreement / Disagreement

Participants express differing opinions on the relationship between gas solubility and its behavior in different contexts, indicating that multiple competing views remain without a clear consensus.

Contextual Notes

Participants reference specific phenomena and terms such as "rattling" and "sloshing," which may require further clarification. The discussion includes assumptions about the kinetics of gas solubility and the conditions under which these behaviors are observed.

rwooduk
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Hopefully this question makes sense; when talking about solubility of a gas does this have any relation to its ability to mix with another gas?

i.e. gas solubility in gas, versus, gas solubility in liquid

In ultrasonic cavitation some say that a more soluble gas can more easily enter the bubble from the liquid and cushion the collapse of the bubble, others say a more soluble gas is more able to leave the bubble into the liquid. The latter makes sense to me, the former does not. Why should a gas dissolved in a liquid be more able to enter a gaseous bubble in the liquid because of it being "more soluble".

Any ideas / comments welcome!
 
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Kinetics of solution: steam traps/lines "rattle" when air free, the "latter" case.
 
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Bystander said:
Kinetics of solution: steam traps/lines "rattle" when air free, the "latter" case.

Thanks for the reply! Could you elaborate a little? Which part of this relates to solubility?
 
"Steam" is very soluble in water (infinitely) is it not --- so much so, that two phase aqueous systems (zero dissolved gases) rattle in containers rather than sloshing.
 
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Bystander said:
"Steam" is very soluble in water (infinitely) is it not --- so much so, that two phase aqueous systems (zero dissolved gases) rattle in containers rather than sloshing.

Okay, I'm not familiar with the terms "rattling" and "sloshing" so I'm a little confused. Let me ask it this way;

If you use a syringe to 'push' a soluble gas into a liquid, the rate at which it would be able to be pushed would increase with solubility.

If you now use a syringe to 'extract' the gas from the liquid would it's solubility influence the rate at which you could do it? I'm assuming not.

Apologies this question may not make much sense, I'm just formulating on what I've read in some papers.
 
rwooduk said:
I'm assuming not.
How rapidly do carbonated beverages go "flat?" Or, does household ammonia stop reeking of ammonia? Compare those hours/days to reach equilibrium with the rate of evolution of nitrogen bubbles in the blood streams of divers.
 
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Bystander said:
How rapidly do carbonated beverages go "flat?" Or, does household ammonia stop reeking of ammonia? Compare those hours/days to reach equilibrium with the rate of evolution of nitrogen bubbles in the blood streams of divers.

Okay, I have Friday afternoon mental block but I think I see what you are saying; yes there is a difference.
 

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