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  1. M

    CHEMISTRY PAPER 34 On 31st MAY

    winter 14 variant 31
  2. M

    CHEMISTRY PAPER 34 On 31st MAY

    Reaction 3 is shown below. Cu(s) + H 2 SO 4 (aq) → CuSO 4 (aq) + H 2 (g) Reaction 3 (f) Use your values for the enthalpy changes for Reactions 1 and 2 to calculate the enthalpy change for Reaction 3. Mg(s) + H 2 SO 4 (aq) → MgSO 4 (aq) + H 2 (g) Reaction 1 Mg(s) + CuSO 4 (aq) → MgSO 4 (aq) +...
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