The equation 4MnCO3 -> 4MnO2 + 4CO2 + O2.

  1. Detailed information about the equation:

The chemical equation above describes the thermochemical decomposition process of manganese carbonate (MnCO3) when heated. In this reaction, manganese carbonate (MnCO3) decomposes to form manganese dioxide (MnO2), carbon dioxide (CO2), and oxygen (O2).

  1. Reaction conditions:

This reaction occurs when manganese carbonate (MnCO3) is heated at high temperature.

  1. Reaction process:

When heated, manganese carbonate (MnCO3) decomposes into manganese dioxide (MnO2), carbon dioxide (CO2), and oxygen (O2). This reaction is an oxidation reaction, as manganese carbonate (MnCO3) is oxidized to manganese dioxide (MnO2).

  1. Phenomena that occur:

When heating manganese carbonate (MnCO3), the substance starts to change from light pink to the reddish-brown color of manganese dioxide (MnO2). Simultaneously, carbon dioxide (CO2) and oxygen (O2) gases are released into the environment.

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