* Sodium carbonate (Na2CO3)
* Carbon dioxide (CO2)
* Water (H2O)
Here's the balanced chemical equation for the decomposition:
2 NaHCO3(s) → Na2CO3(s) + CO2(g) + H2O(g)
Explanation of the Decomposition:
When heated, the sodium bicarbonate molecules break down. This process involves the loss of carbon dioxide and water molecules, leaving behind sodium carbonate.
Observations:
* Fizzing: You'll observe fizzing or bubbling as the carbon dioxide gas is released.
* White Solid: The white solid remaining is sodium carbonate.
Conditions:
The decomposition of sodium bicarbonate occurs at a moderate temperature, typically around 100°C (212°F).
Applications:
This decomposition reaction has various applications, including:
* Baking: The release of carbon dioxide from sodium bicarbonate acts as a leavening agent in baking.
* Fire Extinguishers: Sodium bicarbonate is a component of some fire extinguishers, where its decomposition generates carbon dioxide to smother flames.
* Chemical Synthesis: Sodium carbonate produced from this decomposition is a valuable industrial chemical.
