Solid calcium carbonate caco3 decomposes into solid calcium oxide and carbon dioxide gas . write a balanced chemical equation for this reaction

CaCO3 -> CaO + CO2 The reaction is already balance with a coefficient of 1 mole in front of each compound. When writing out compounds be sure to remember the charges of each ion of the compound and write it out as you go.

The balanced equation in a reaction involving the decomposition of calcium carbonate into solid calcium oxide and carbon dioxide gas would be:

Equation of reactions

Solid calcium carbonate goes by the chemical formula : CaCO3 (s)

Solid calcium oxide goes by the chemical formula: CaO (s)

Carbon dioxide gas goes by the formula: CO2 (g)

Putting everything together in a single reaction and balancing out the number of atoms on each side of the equation will give;

More on balancing chemical equations can be found here: link

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