Question

Write one difference between thermal decomposition & thermal dissociation. Give one examples for each reaction.

Answer 1

Answer:

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Answer 2

Difference between thermal decomposition and dissociation

Explanation:

Thermal decomposition:

1. Thermal decomposition is the breakdown of large compounds into smaller substances using heat.
2. CaCO3 → CaO + CO2
3. Calcium carbonate (limestone or chalk) decomposes into calcium oxide and carbon dioxide when heated.
4. Thermal decomposition is not a reversible reaction.

Thermal dissociation:

1. Thermal dissociation is the breaking apart of a molecule's bonds due to the introduction of heat.  
2. 2H2O ⇄ 2H2 + O2
3. Water molecule splits into hydrogen and oxygen when heated.
4. Thermal dissociation is reversible.