The chemical equation BaCO3 + BaCl2 -> 2BaCl2 + CO2.

  1. The above chemical equation represents the reaction process between barium carbonate (BaCO3) and barium chloride (BaCl2) to form barium chloride and carbon dioxide gas (CO2). However, you may notice that this equation is not balanced. The correct balanced equation would be: BaCO3 -> BaO + CO2 ->

  2. Reaction conditions: This reaction requires high temperature to occur.

  3. Reaction process: When the temperature is high enough, barium carbonate (BaCO3) will decompose into barium oxide (BaO) and carbon dioxide gas (CO2).

  4. Occurrence phenomena: When the temperature is high enough, CO2 gas will escape, which is a sign of the reaction process.

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