When heated, calcium carbonate (limestone) undergoes a decomposition reaction. W

Question

When heated, calcium carbonate (limestone) undergoes a decomposition reaction. Write a balanced equation for this reaction.
A. CaCO3(s) ? Ca(s) + CO3(g) B. CaCO3(s) ? Ca(s) + CO2(g) C. 2CaCO3(s) ? 2CaO(s) + CO2(g) D. 2CaCO3(s) ? 2CaO(s) + 3CO2(g) E. CaCO3(s) ? CaO(s) + CO2(g) When heated, calcium carbonate (limestone) undergoes a decomposition reaction. Write a balanced equation for this reaction. When heated, calcium carbonate (limestone) undergoes a decomposition reaction. Write a balanced equation for this reaction. CaCO3(s) ? Ca(s) + CO3(g) CaCO3(s) ? Ca(s) + CO2(g) 2CaCO3(s) ? 2CaO(s) + CO2(g) 2CaCO3(s) ? 2CaO(s) + 3CO2(g) CaCO3(s) ? CaO(s) + CO2(g) A. CaCO3(s) ? Ca(s) + CO3(g) B. CaCO3(s) ? Ca(s) + CO2(g) C. 2CaCO3(s) ? 2CaO(s) + CO2(g) D. 2CaCO3(s) ? 2CaO(s) + 3CO2(g) E. CaCO3(s) ? CaO(s) + CO2(g)

Explanation / Answer

CaCO3(s) ---> CaO(s) + CO2(g) is the decomposition and you can see this is already balanced.

comment for any doubt in this process

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