what do you mean by exothermic and endothermic reaction?
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Answer:
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Explanation:
An exothermic process releases heat, causing the temperature of the immediate surroundings to rise. An endothermic process absorbs heat and cools the surroundings.”
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Answered by
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1) Exothermic reactions - Those reactions in which heat is evolved .
♥ Examples :-
(i) C (s) + O2 (g) → CO2 (g) + Heat
(ii) N2 (g) + 3H2 (g) → 2NH3 (g) + Heat
2) Endothermic reactions - Those reactions in which heat is absorbed .
♥ Examples :-
(i) C (s) + 2S (s) → CS2 (l) – Heat
(ii) N2 (g) + O2 (g) → 2NO(g) – Heat
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