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Does carbonation affect how fast a liquid evaporates?
Question Date: 2016-05-13
Answer 1:

This is a great question--you could probably find someone to pay you to do research on this question. I have not spent years researching this question, so I can only guess.

I think carbonation probably does affect how fast a liquid evaporates. After all, these factors can affect evaporation rate:

- Surface area (bubbles increase it),
- Concentration of solutes dissolved in the liquid and already in the air (carbonation involves dissolving carbon dioxide into the liquid), and
- Convective motion (the moving bubbles carry gas around).

The complicated part is how these factors affect the evaporation rate. More surface area means faster evaporation, but concentration and convection affect evaporation in complicated ways. Maybe when you combine all these effects, carbonation increases evaporation rate, or maybe it decreases it. Or maybe these factors all balance out so carbonation does not affect how fast a liquid evaporates. The answer might depend on how hot it is outside, on what kind of liquid you have, or other things I haven't thought of.

If I were a manager at a company (maybe one that sells soda, for example) that needed to know the answer for something specific, I would hire some scientists to study this question.

Answer 2:

Carbonation is dissolved carbonic acid, and anything dissolved in water will slow the rate at which it will evaporate. However, because the carbonic acid tends to dissociate into water and carbon dioxide, of which the latter then bubbles off, the liquid that is evaporating will not remain carbonated for long.

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