Question

explain by means of example A reaction which gives out heat.प्लीज हेल्प मी ​

Answer 1

Answer: Examples are numerous: combustion, the thermite reaction, combining strong acids and bases, polymerizations. As an example in everyday life, hand warmers make use of the oxidation of iron to achieve an exothermic reaction: 4Fe + 3O2 → 2Fe2O3 ΔH⚬ = - 1648 kJ/mol.

Answer 2

Ans: exothermic reaction

Exothermic reaction are reaction or processes that release energy, usually in the form of heat or light. In an exothermic reaction energy is released because the total energy of the products is less than the total energy of the reactants.

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