Question

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examples of exothermic and endothermic reactions​

Answer 1

Explanation:

Endothermic and exothermic reactions are chemical reactions that absorb and release heat, respectively. A good example of an endothermic reaction is photosynthesis. Combustion is an example of anexothermic reaction. ... In any givenreaction, heat is both absorbed and released.

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Answer 2

${\rm\color{midnightblue}{\underline{Exothermic \:Reaction :}}}$

A chemical reaction which proceeds with evolution of heat energy

$\rm{+\triangle T}$ indicates an exothermic reaction

Example:

• $\sf{N_2+3H_2 \underset{ }{\stackrel{ \triangle}{\rightleftharpoons}} 2NH_3+\triangle T}$

• $\sf{2H_2+O_2 \underset{ }{\stackrel{ \triangle}{\rightleftharpoons}} 2H_2O+\triangle T}$

${\rm\color{midnightblue}{\underline{Endothermic \:Reaction :}}}$

A chemical reaction which proceeds with absorption of heat energy

$\rm{-\triangle T}$ indicates an Endothermic reaction.

Example:

• $\sf{N_2+ O_2 \underset{ }{\stackrel{ \triangle}{ \rightarrow}} 2NO-\triangle T}$
• $\rm{CaCO_3 \underset{ }{\stackrel{ \triangle}{\rightleftharpoons}} CaO+CO_2-\triangle T}$