Add a reflux agent (CaF2) and electrolyse in a cell.
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You can convert CaCO3 (calcium carbonate) to Ca (calcium) by heating it at a high temperature in the presence of a reducing agent, such as carbon. This process, known as calcination, will decompose the calcium carbonate, releasing carbon dioxide and leaving behind calcium oxide. The calcium oxide can then be reacted with water to form calcium hydroxide, which can further be processed to obtain pure calcium.
If you are after the symbol equation it's: Ca(OH)2(aq) + CO2 --> CaCO3 The word equation is: Calcium Hydroxide + Carbon Dioxide --> Calcium Carbonate (Limewater) (Limestone)
The balanced equation for the reaction of calcium (Ca) with carbonic acid (H2CO3) is: Ca + H2CO3 -> CaCO3 + H2
To calculate the amount of calcium in 34.5 g of CaCO3, you need to consider the molar mass of CaCO3 which is 100.09 g/mol. Calcium accounts for approximately 40.08 g in every 100.09 g of CaCO3, which means there are (40.08/100.09) * 34.5 g = 13.82 g of calcium in 34.5 g of CaCO3.
The chemical reaction between CaCO3 and 2H2O results in the formation of Ca(OH)2 (calcium hydroxide) and CO2 (carbon dioxide). The balanced equation for this reaction is: CaCO3 + 2H2O -> Ca(OH)2 + CO2.
The reaction between carbonic acid (H2CO3) and calcium hydroxide (Ca(OH)2) forms calcium carbonate (CaCO3) and water (H2O). The balanced chemical equation for the reaction is: H2CO3 + Ca(OH)2 → CaCO3 + 2H2O.