Exam (elaborations)
A Level Chemistry A H432/01 Periodic table, elements and physical chemistry Practice paper - Set 1
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1 Which equation produces the enthalpy change of formation of copper(I) iodide? A Cu+(g) + I –(g) CuI (s) B Cu(g) + I (g) CuI (s) C Cu(s) + I 2(s) CuI2(s) D Cu(s) + ½I 2(s) CuI(s) Your answer [1] 2 14.4 g of an element X react with oxygen to form 24.0 g of a compound XO2. ...
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