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To investigate the thermal decomposition of copper carbonate and try to prove that the formula is CuCO3, and that the percentage of CO2 lost during thermal decomposition is 35.5%
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Lauren Dakin 10S Science Group 10 2 Thermal Decomposition Aim: To investigate the thermal decomposition of copper carbonate and try to prove that the formula is CuCO3, and that the percentage of CO2 lost during thermal decomposition is 35.5% Introduction: Copper Carbonate has been given the formula CuCO3. I will prove this correct by studying its thermal decomposition. It has the potential to divide into three groups: 1. Copper Oxide and Carbon Dioxide (CuO) + (CO2) 2. Copper and Carbon and Oxygen (x3) (Cu) + (C) + (11/2O) 3. Copper and Carbon Monoxide and Oxygen (Cu) + (CO) + (O) I did a preliminary experiment to find out what copper carbonate thermally decomposed into. I heated some copper carbonate in a test tube and when it gave off gas I held a glowing splint in it. This is the test for Oxygen. If there is oxygen present, the splint will re-light. In this case, it did not so there was no oxygen present....
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