The equation Zn + Ca(OH)2 -> Zn(OH)2 + Ca

  1. Details about the equation Zn + Ca(OH)2 -> Zn(OH)2 + Ca
  • The equation refers to the reaction between the metal zinc (Zn) and calcium hydroxide (Ca(OH)2). In this reaction, zinc replaces calcium in calcium hydroxide to form zinc hydroxide (Zn(OH)2) and calcium (Ca).
  1. Reaction conditions
  • This reaction occurs when zinc and calcium hydroxide are combined in a water or base environment.
  1. Reaction process
  • Initially, zinc and calcium hydroxide are combined in a base or water environment. Zinc, a more active metal than calcium, begins to replace calcium in calcium hydroxide to form zinc hydroxide. Finally, calcium is also released.
  1. Phenomena observed
  • When the reaction occurs, the color of the mixture changes from the white of calcium hydroxide to the light green of zinc hydroxide. In addition, there will be a precipitation phenomenon when zinc hydroxide is formed. The calcium is released in the form of a solid metal.

Note: The above equation is unbalanced. The balanced equation would be: Zn + Ca(OH)2 -> Zn(OH)2 + Ca.

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