The chemical equation Ca + CuSO4 -> CaSO4 + Cu

  1. Detailed information about the equation:
    The equation indicates that elemental calcium (Ca) reacts with copper (II) sulfate (CuSO4) to form calcium sulfate (CaSO4) and copper (Cu). This reaction is a redox reaction, in which calcium is oxidized from an oxidation state of 0 to +2, while copper is reduced from an oxidation state of +2 to 0.

  2. Reaction conditions:
    The reaction occurs under room conditions, without the need for a catalyst or specific temperature, pressure conditions.

  3. Reaction process:
    Calcium will react with copper (II) sulfate in solution, where the calcium ion (Ca2+) will replace the copper ion (Cu2+), forming calcium sulfate and free copper.

  4. Phenomena occurred:
    When a piece of calcium is introduced into a solution of copper (II) sulfate, which is blue, after a while the blue color of the solution will fade and brown-red particles (copper) will appear sticking to the piece of calcium. Copper does not dissolve in the solution. White precipitate (calcium sulfate) will appear if there is an excess of calcium or the amount of CuSO4 is not sufficient to react with all the calcium.

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