Question

Exothermic and endo thermic rxn

Answer 1

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Answer 2

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Here is your answer.

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An exothermic reaction is a chemical reaction that releases energy by light or heat. 
For example,
1)A neutralization reaction.
2)Rusting of iron (rust steel wool with  vinegar)
3)The thermite reaction.

An endothermic reaction is a chemical reaction that absorbs energy from the surroundings, usually in the form of heat.
For example,
1)Melting  ice cubes.
2)Melting of salts.
3)vaporating  liquid water.


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