The heat reacts with the reactants to undergo thermal decomposition. When sodium hydrogen carbonate undergoes thermal decomposition produces sodium carbonate along with carbon dioxide and water.
What is thermal decomposition?
Thermal decomposition is a chemical reaction where the reactants under the presence of high temperature or heat get split to form two or more products. When Sodium hydrogen carbonate (sodium bicarbonate) is heated the reaction occurs as,
2 NaHCO₃ (s) + Δ → Na₂CO₃ (s) + CO₂ (g) + H₂O (l)
When Silver nitrate is treated with heat then silver, nitrogen dioxide, and oxygen are produced as,
2AgNO₃ (s) + Δ → 2Ag (s) + 2NO₂ (g) + O₂ (g)
Similarly, Anhydrous iron (II) sulfate under thermal decomposition produces ferric oxide, sulfur dioxide, and sulfite as,
2FeSO₄ (s) + Δ → Fe₂O₃ (s) + SO₂ (g) +SO₃ (g)
Therefore, the reactants under the heat show thermal decomposition.
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