What is exothermic and endothermic reactions? Give one example of both.
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Exothermic reaction
An exothermic reaction is defined as a reaction that releases heat and has a net negative standart enthalpy change
e.g=> Rusting of iron
Endothermic reaction
A chemical reaction in which heat is absorbed is called endothermic reaction
e.g=> when nitrogen and oxygen together are heated to a temperature of about 3000°C, nitric oxide gas is formed.
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