Question

What does one mean by exothermic and endothermic reaction? Give examples.

Answer 1

Exothermic reactions are the reactions in which lots of energy is released.
Examples:Combustion,rusting of iron.

Endothermic reactions are the reactions in which energy is absorbed.
Examples:Melting of ice cubes,evaporation.

Hope it helps u!!!

Answer 2

Answer:

BTS

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Exothermic reactions : Those reactions in which heat is evolved are known as exothermic reactions. An exothermic reaction is indicated by writing “+ Heat”on the products side of an equation.

Exothermic reactions : Those reactions in which heat is evolved are known as exothermic reactions. An exothermic reaction is indicated by writing “+ Heat”on the products side of an equation.Example :

Exothermic reactions : Those reactions in which heat is evolved are known as exothermic reactions. An exothermic reaction is indicated by writing “+ Heat”on the products side of an equation.Example :(i) C (s) + O2 (g) → CO2 (g) + Heat

Exothermic reactions : Those reactions in which heat is evolved are known as exothermic reactions. An exothermic reaction is indicated by writing “+ Heat”on the products side of an equation.Example :(i) C (s) + O2 (g) → CO2 (g) + Heat(ii) N2 (g) + 3H2 (g) → 2NH3 (g) + Heat

Exothermic reactions : Those reactions in which heat is evolved are known as exothermic reactions. An exothermic reaction is indicated by writing “+ Heat”on the products side of an equation.Example :(i) C (s) + O2 (g) → CO2 (g) + Heat(ii) N2 (g) + 3H2 (g) → 2NH3 (g) + HeatEndothermic reactions : Those reactions in which heat is absorbed are known as endothermic reactions. An endothermic reaction is usually indicated by writing “Heat” on the product side of a chemical equation.

Exothermic reactions : Those reactions in which heat is evolved are known as exothermic reactions. An exothermic reaction is indicated by writing “+ Heat”on the products side of an equation.Example :(i) C (s) + O2 (g) → CO2 (g) + Heat(ii) N2 (g) + 3H2 (g) → 2NH3 (g) + HeatEndothermic reactions : Those reactions in which heat is absorbed are known as endothermic reactions. An endothermic reaction is usually indicated by writing “Heat” on the product side of a chemical equation.Examples :

Exothermic reactions : Those reactions in which heat is evolved are known as exothermic reactions. An exothermic reaction is indicated by writing “+ Heat”on the products side of an equation.Example :(i) C (s) + O2 (g) → CO2 (g) + Heat(ii) N2 (g) + 3H2 (g) → 2NH3 (g) + HeatEndothermic reactions : Those reactions in which heat is absorbed are known as endothermic reactions. An endothermic reaction is usually indicated by writing “Heat” on the product side of a chemical equation.Examples :(i) C (s) + 2S (s) → CS2 (l) – Heat

Exothermic reactions : Those reactions in which heat is evolved are known as exothermic reactions. An exothermic reaction is indicated by writing “+ Heat”on the products side of an equation.Example :(i) C (s) + O2 (g) → CO2 (g) + Heat(ii) N2 (g) + 3H2 (g) → 2NH3 (g) + HeatEndothermic reactions : Those reactions in which heat is absorbed are known as endothermic reactions. An endothermic reaction is usually indicated by writing “Heat” on the product side of a chemical equation.Examples :(i) C (s) + 2S (s) → CS2 (l) – Heat(ii) N2 (g) + O2 (g) → 2NO(g) – Heat