Submitted by The_Grand_Canyon t3_yy44ri in askscience
Ok_Construction5119 t1_iww47r2 wrote
Reply to comment by foundmyreddit in If you froze soda for a year, would be still fizz when thawed out? by The_Grand_Canyon
This is not true. Solubility of solids decreases as temperature decreases, but solubility of gases increases as temperature decreases. See this image for reference:
https://chem.libretexts.org/@api/deki/files/125741/CNX_Chem_11_03_gasdissolv_2.jpg?revision=1
To answer OP's question, if, in an isolated system, you returned the system to its original state, the CO2 would redissolve into the solution.
Soda as you buy it is at equilibrium because of the pressure, around 2 psi. The CO2 spontaneously dissolves into the solution, and will again as long as you leave the receptacle unopened. For further information, you can read this:
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