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The decomposition of copper carbonate - proving one of two equations Aim 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) The aim of this investigation is to prove which of these two equations is correct. From the equations above we can see that in both reactions gas is evolved and by collecting the volume of gas produced we can accurately say which reaction is taking place. To find which equation is correct, we can use ideas about the mole and the volume one mole of gas occupies at standard conditions. Background Information Basic copper carbonate occurs in nature as the mineral malachite (CuCO3) it can be synthesised in the laboratory regardless of its source; basic...

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