Question

what an
exothemic and endothermie reaction.Give examples of each​

Answer 1

Answer:-

Exothermic reactions: Those reactions in which energy is released in the form of heat are called exothermic reactions.

Examples –

(1) All combustion reactions e.g.

CH4 + 2O2 —> CO2 + 2H2O + Heat

(2) Thermite reactions e.g.

2Al + Fe2O3 —> 2Fe + Al2O3 + Heat

Combinations are generally exothermic in nature. The decomposition of organic matters into compost is an example of exothermic reaction.

Endothermic reactions: Those reactions in which energy is absorbed are called endothermic reactions. Examples –

Also, the reaction of photosynthesis –

Answer 2

Answer:

• exothermic reactions are those reaction in which energy releases through light or heat during the chemical reaction
• example - combustion, thermite reaction
• endothermic reaction are those reaction in which heat energy is absorbed.
• example - photosynthesis, electrolysis.

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