Answer:
The answer to your question is: second option.
Explanation:
An exothermic reaction is a reaction that releases energy to the environment.
Thermal energy is absorbed by the system.
This sentence is describing an endothermic reaction.
Thermal energy is absorbed by the surroundings.
This sentence is describing an exothermic reaction.
Thermal energy is not transferred. This sentence is describing an isolated system.
The initial and final temperatures of the system remains the same. This option is incorrect is not describing an exothermic reaction.
If by classical you mean formula name it is CrPO4<span>.</span>
Your answer is Breaking chemical bonds. Hope this helps
