What does exothermic mean?
What is the meaning of Exothermic?
Exo means giving out, and themic means heat-related.
So, Exothermic means something that gives out or liberates heat.
Here, We are dealing with Chemistry, Right?
So, Exothermic Change is a Change where heat is released or liberated.
I said change, as it can be physical or chemical change.
Physical Exothermic Change :- Dissolving
water. If you observe correctly, you will see that after
fully dissolved, the solution will become warmer than before.
Chemical Exothermic Change :- Very common example of this
If you burn coal in the presence of Air, it forms
liberation of heat, which continues the reaction.
You can know more about Exothermic Changes, here. This is a really fantastic article. I recommend it.
Hope this helps.