Question:
What do you understand by exothermic reaction and endothermic reaction? Give one example of each type.
Solution:
Exothermic reaction- The reaction in which heat is evolved is called an exothermic reaction.
for example,
Cao + CO2→ CaCO3 ΔH=-178kJmol-1
Endothermic reaction- The reaction in which heat is absorbed is called an endothermic reaction.
for example,
2NH3 → 3N2+ H2 ΔH=918kJmol-1
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