At temperatures above roughly 800 °c, calcium carbonate will decompose. write and balance the equation for this reaction. phase symbols are optional.

Answer;

Decomposition of calcium carbonate

CaCO3(s) → CaO(s) + CO2(g)

Explanation;Decomposition reactions are types of reaction that occurs when a reactant is broken down into two or more products. Decomposition may either be thermal where heat is used to break a reactant or may be catalytic where a catalyst is used to break down a reactant to yield two or more substance, for example decomposition of hydrogen peroxide.All metal carbonates decompose to produce a metal oxide and carbon dioxide gas.Calcium carbonate undergoes thermal decomposition to form calcium oxide and carbon dioxide. The equation will be;

CaCO3(s) → CaO(s) + CO2(g)

The equation is balanced as the number of atoms of each element are equal on both side.

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