Rate of reaction

Rate of reaction

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Caption: Rate of reaction. Reaction of chalk with hydrochloric acid is used to demonstrate that the rate of reaction depends on concentration. Chalk is calcium carbonate, it reacts with hydrochloric acid to produce carbon dioxide bubbles: CaCO3 + HCl -> CaCl2 + H2O + CO2. This is an example of a double displacement reaction. HCl concentration is 0.1 M in left panel and is 1 M in right panel. The reaction rate is higher for higher HCl concentration.

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Keywords: acid, bubbles, caco3, calcium carbonate, carbon dioxide, chalk, chemical, chemistry, co2, double displacement reaction, hcl, hydrochloric acid, rate of reaction, reaction, reaction rate, replacement reaction, solution, test tube

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