Question

what do you mean by exothermic and endothermic reaction? why reputation is considered as exothermic reaction​

Answer 1

Answer:

Answer:

Exothermic Reaction: A chemical reaction in which heat is given out is known as exothermic reaction. For example

Endothermic Reaction: A chemical reaction in which heat energy is absorbed is known as endothermic reaction. For example

Answer 2

Answer:

exothermic = exo = out.

endothermic = endo = internal

Explanation:

exothermic reaction is a reaction in which heat is produced. eg adding Na to water.

endothermic reaction is a reaction in which heat is absorbed that is it produce a cooling effect. eg. adding glucose in a glass of water.

Respiration is considered as exothermic reaction because energy is produced during this process.