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WHICH EQUATION IS CORRECT? Introduction and Application * Copper has two oxides, Cu[2]O and CuO * Copper carbonate, CuCO[3] decomposes on heating to form one of the following oxides and an equation can be written for each possible reaction: [image001.gif] Equation 1: CuCO[3](s) 0.5Cu[2]O(s) + CO[2](g) + 0.25O[2](g) [image002.gif] Equation 2: CuCO[3](s) CuO(s) + CO[2](g) * The task of this experiment is to find out which of the two equations is correct by measuring the amount of gas produced by the reaction. * If equation 2 is correct then the following amount of gas should be produced: Number of grams in 1 mole of copper carbonate (Molecular mass) = 123.5g Number of grams to use in the experiment = 0.3g Number of Moles = Mass / Molecular mass So therefore: Number of moles of copper carbonate to use = 0.3g/123.5g =2.43 x 10^-3moles To work out the volume of carbon...

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