What do you understand by exothermic and endothermic reaction
Asked by admin @ in Chemistry viewed by 330 People
What do you understand by exothermic reaction and endothermic reaction? Give one example of each type .
std 11 chemistry
Asked by admin @ in Chemistry viewed by 330 People
What do you understand by exothermic reaction and endothermic reaction? Give one example of each type .
std 11 chemistry
Answered by admin @
Answer:
Exothermic reactions are those reactions in which heat is released.
Reactants→products+heat
For example, formation of ammonia from nitrogenand hydrogen is an exothermic reaction.
N2(g)+3H2(g)→2NH3(g)+92.2kJ
Endothermic reactions are those reactions in which heat is absorbed.
Reactants+heat→products
For example, dissociation of ammonia into nitrogenand hydrogen is an endothermic reaction.
2NH3(g)+92.2kJ→
N2(g)+3H2(g)
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