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Thermal decomposition reaction?
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Thermal decomposition reaction?
What is a Thermal Decomposition Reaction?
A thermal decomposition reaction is a type of chemical reaction where a single compound breaks down into two or more simpler substances when heated. This process often requires a significant amount of heat energy to overcome the bonds holding the compound together.
Key Characteristics:
  • Heat Requirement: The reaction needs heat to initiate the breakdown of the compound.
  • Single Reactant: It involves only one reactant, which decomposes into products.
  • Varied Products: The products can be elements or simpler compounds, depending on the original substance.

Examples of Thermal Decomposition Reactions:
  • Calcium Carbonate: When heated, it decomposes into calcium oxide and carbon dioxide:
    • CaCO3 (s) → CaO (s) + CO2 (g)

  • Hydrated Salts: Heating copper(II) sulfate pentahydrate results in anhydrous copper(II) sulfate and water:
    • CuSO4·5H2O (s) → CuSO4 (s) + 5H2O (g)


Applications of Thermal Decomposition:
  • Materials Science: Used in the production of metals from their ores.
  • Chemical Industry: Helps in the synthesis of various chemicals.
  • Laboratory Analysis: Aids in the identification of substances based on their thermal stability.

Understanding thermal decomposition reactions is crucial for grasping fundamental concepts in chemistry, particularly in material transformations and energy changes.
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Thermal decomposition reaction?
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