The given reaction of thermal decomposition is
   2Li₂O₂(s) ⇄ 2Li₂O(s) + O₂(g)
The equilibrium constant for the specified reaction will be because the concentrations of solids and pure liquids are not taken into account in the expression of the equilibrium constant:
   K=[O 2 ]
The reaction reaches equilibrium when Liâ‚‚Oâ‚‚ is added at the conclusion of the reaction, ensuring that the amount of Oâ‚‚ remains constant or unchanged.
What is thermal decomposition?
Thermolysis, also known as thermal decomposition, is a chemical decomposition brought on by heat. The temperature at which a substance decomposes chemically is known as the decomposition temperature of the substance. Since heat is necessary to break the chemical bonds in the substance that is undergoing breakdown, the process is typically endothermic.
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