When there is a mixture of h2o and co2, is it a chemical or physical change?

Example would be ice mixed with soda, would that make it a chemical or physical change? I know that h2o mixed with carbon dioxide (CO2) equilibrium to Carbonic acid, but would that make this experiment a chemical change? I also know that when ices are mixed with sodas, the temperature changes, which that makes the experiment a physical changes, but still I'm having trouble figuring out what changes are made when h2o and CO2 are mixed. My point is, is it a physical or chemical change when these two chemicals are mixed? Please help. Thank you. Much appreciate.
dianamontero
Asked Oct 02, 2013

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