Lime (calcium oxide)is made heating shells , coral or limestone (calcium carbonate). write a balanced chemical equation for that decomposition reactions.
CaCO3 -> CaO + CO2
2CaCO3 -> 2CaO + 2CO2
This balanced chemical equation shows the decomposition reaction of calcium carbonate (CaCO3) into calcium oxide (CaO) and carbon dioxide (CO2) when heated.