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Carbon Dioxide
acetic(ethanoic) acid, commonly known as vinegar
Baking soda and vinegar, when mixed, will produce the gas carbon dioxide ( CO2)
Even a weak acid such as vinegar, added to limestone, will produce carbon Dioxide.
Vinegar is a solution of acetic acid in water.
The shell is made of Calcium Carbonate (CaCO3), which produces Carbon Dioxide gas on reaction with acid (such as Vinegar).
Vinegar is a solution of acetic acid in water.
The component of vinegar that reacts with the calcite is acetic acid. The acid reacts with calcium carbonate to produce water, carbon dioxide, and calcium acetate.
If one is working with equal amounts, baking soda might produce more carbon dioxide when mixed with vinegar, because baking powder is already combined with an acidic ingredient.
Sugar and vinegar do not react on mixing - no carbon dioxide is produced.
Vinegar is a mixture and does not have a molecular formula as such. The "active" ingredient in vinegar is acetic acid, which has the formula CH3COOH, in one common method of writing it.
Only vinegar will create effervescence by releasing carbon dioxide gas. The acetic acid in vinegar reacts with the baking soda (sodium bicarbonate, a base) to form carbonic acid and sodium acetate. The carbonic acid (essentially CO2 dissolved in water) is unstable and decomposes into carbon dioxide and water.