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Soda Geyser

tipo de documento Chimie - Expérimentation/Travaux pratiques

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Carbon dioxide (CO2) is present in the air we breath and in the carbonated soda we drink. In soda, the carbon dioxide gas (CO2 ) has been dissolved, a process called carbonation that results in soda's signature fizz. This happens because gas molecules are kept in the airtight can under lots of concentrated pressure and will fight to escape when you crack it open, which lowers the pressure and creates a fizz. But this normally gentle process turns violent if we drop certain candies into the soda, because the gelatin and gum arabic in the dissolving candy helps the gas molecules to escape even more quickly, in another process called nucleation. The right candy will cause the right soda to explode! Discover which candies will create a soda geyser!

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