Q. 364.4( 8 Votes )

What do you under

Answer :

Exothermic reaction- The reaction in which heat is evolved is called exothermic reaction.

for example,

CaO + CO2 CaCO3 ΔH=-178kJmol-1

Endothermic reaction- The reaction in which heat is absorbed is called endothermic reaction.

for example,

2NH3 3N2+ H2 ΔH=918kJmol-1

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