Question

During An Exothermic Reaction

Answer 1

Exothermic reaction:

• An exothermic reaction is a reaction in which heat is evolved or heat is transferred from system to surroundings is called an exothermic reaction.
• Example: Burning of methane

$\underset{\mathrm{Methane}}{{\mathrm{CH}}_4\left(\mathrm{g}\right)}+\underset{\mathrm{Oxygen}}{{\mathrm{O}}_2\left(\mathrm{g}\right)}\to \underset{\mathrm{Cabon}\mathrm{dioxide}}{{\mathrm{CO}}_2\left(\mathrm{g}\right)}+\underset{\mathrm{water}}{{\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right)}+\mathrm{Heat}$

So, during an Exothermic reaction heat is evolved.