Here are the equations for the thermal decomposition of copper carbonate (notice that a metal oxide is formed, just as it was with calcium carbonate):
Copper carbonate → copper oxide + carbon dioxide
CuCO3 → CuO + CO2
CuCO3 ==> CO2 + CuO (heat is the catalyst, written above the arrow)
Copper Carbonate when heated decomposes to give copper oxide and carbon dioxide.
They form magnesium oxide, copper oxide etc. and will form carbon dioxide as a byproduct.
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Calcium carbonate heated to form calcium oxide and carbon dioxide as shown by the equation CaCO3(s) → CaO(s) + CO2(g).
The symbol for the reaction that occurs when copper carbonate is heated is: CuCO3(s) → CuO(s) + CO2(g)
CuCO3 = CuO + CO2
The thermal decomposition in this case is: CuCO3 -------------CuO + CO2
When malachite is heated, it decomposes into copper(II) oxide and carbon dioxide. The word equation for this reaction is: Copper(II) carbonate (malachite) → Copper(II) oxide + Carbon dioxide.
When copper carbonate is heated, it changes from its green color to black copper oxide.
CuCO3 ==> CO2 + CuO (heat is the catalyst, written above the arrow)
Carbonate by itself is an ion that does not contain copper and therefore could not produce copper if heated. However, because carbonate is a negatively charged ion, no substantial number of carbonate ions can exist stably except in association with an equal number of positively charged cations to neutralize the electrical charge of the carbonate ions. If these cations are cations of copper, then copper oxide can be produced by heating the copper carbonate salt.
Copper Carbonate when heated decomposes to give copper oxide and carbon dioxide.
When copper carbonate is heated, it decomposes into copper oxide, releasing carbon dioxide gas. The remaining ionic compound is copper oxide (CuO).
When copper carbonate is heated, a thermal decomposition reaction occurs. This reaction causes copper carbonate to break down into copper oxide and carbon dioxide gas, which is released as a byproduct.
The chemical equation is:Cu2CO3(H2O)----------------2 CuO + CO2 + H2O
The word equation for sodium hydrogen carbonate when heated is: sodium hydrogen carbonate (sodium bicarbonate) → sodium carbonate + carbon dioxide + water.