Question

What is an endothermic and exothermic reaction?

Answer 1

In Chemistry, there are numerous chemical reactions that are classified into several sub and major reactions. In chemistry, the endothermic and exothermic processes are analogous. These emit sound, light, cold, or heat as a type of energy. Endothermic processes, to put it simply, take energy from the environment in the form of heat. An exothermic reaction, on the other hand, discharges energy into the system's surroundings.

Complete answer:
Photosynthesis is a well-known example of an endothermic chemical process. Plants take energy from the Sun and convert it to carbon dioxide and water, which are then converted to glucose and oxygen. The chemical reaction between sodium and chlorine, which produces sodium chloride, is an example of an exothermic reaction (also known as common salt).
The phrase "endothermic reaction" refers to a response in which a system absorbs energy from its surroundings in the form of heat. Photosynthesis, evaporating liquids, melting ice, dry ice, alkanes cracking, thermal decomposition, ammonium chloride in water, and many more endothermic processes are examples. The opposite of an endothermic reaction is an exothermic reaction. It gives out energy to its surroundings in the form of light or heat. Neutralization, burning a material, fuel reactions, deposition of dry ice, respiration, sulfuric acid solution in water, and many more processes are examples.

Endothermic Reaction	Exothermic Reaction
A process in which the system absorbs energy in the form of heat from its surroundings.	A reaction that releases heat as a source of energy from the system.
The energy from the environment is absorbed into the reaction.	The system's energy is released into the environment.
Heat is a type of energy.	Heat, electricity, light, and sound are all forms of energy.
Examples include ice melting, evaporation, cooking, gas molecules, and photosynthesis.	Examples include rusting iron, settling, chemical bonding, explosions, and nuclear fission.

Note:
Energy changes are present in all chemical reactions. A reaction either releases or absorbs energy from its surroundings as it progresses. These two types of reactions are characterised as exothermic and endothermic, respectively, in thermodynamics. The prefixes endo- and exo- make it easier to recall the distinction between these two response types: endo- means to draw in, while exo- means to send off.