The above equation represents the thermodynamic decomposition of the substance PbCO3 (lead(II) carbonate). When heated, this substance decomposes into PbO (lead(II) oxide), CO2 (carbon dioxide), and O2 (oxygen).
- Reaction conditions
The reaction requires heating conditions. The specific temperature can vary, but is usually around 350 degrees Celsius or higher.
- Reaction Process
When heating PbCO3, the PbCO3 molecules absorb heat energy and begin to move more vigorously. When the temperature is sufficient, the bonds in the PbCO3 molecule are broken, leading to their decomposition into reaction products.
- Phenomena occurring
When PbCO3 is heated, it begins to change color from white to the yellow of PbO. At the same time, you will also see CO2 and O2 gases beginning to escape.