Question

Some reactions are exothermic while others are endothermic what is the reason behind it

Answer 1

some are exothermic because they absorb the heat and some are endothermic because they release heat energy

Answer 2

$\huge{\rm{Answer :-}}$

● Some reactions are exothermic because heat is released along with the formation of the products during the chemical reaction. Such reactions are exothermic or energy-giving.

● On the other hand, some reactions require energy to occur. Such reactions are endothermic or energy-requiring.