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Decomposition of Copper Carbonate Introduction Copper has two oxides, Cu2O and CuO. Copper carbonate, CuCO3, decomposes on heating to form one of these oxides and an equation can be written for each possible reaction. Equation 1: 2CuCO3 (s)> Cu2O (s) + 2CO2 (g) + 1/2O2 (g) Equation 2: CuCO3 (s)> CuO (s) + CO2 (g) Apparatus 1) Scales capable of weighing out 0.01g 2) An 100cm3 gas syringe with bung 3) A Test Tube 4) Bunsen burner 5) Heatproof mat 6) 0.411g Copper Carbonate 7) Safety goggles 8) Clamp and clamp stand 9) Gas syringe holder 10) Weigh boat Background * Cu2O is also know as known as cuprous oxide. * It is insoluble in water and organic substances. * It is found as the mineral cuprite in some red-coloured rocks. * When it is exposed to oxygen, copper will naturally oxidize to cuprous oxide, but this takes a lot of time for...

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