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What is exhothermic reaction |
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Answer» Those reactions in which heat is evolved or formed. An exothermic reaction is a reaction in which energy is released in the form of light or heat. In an exothermic reaction, change in enthalpy ( ΔH) will be negative.Combustion: We know combustion to be the burning of carbon containing compounds in the presence of oxygen which gives out a lot of energy as heat and other by products. One such example of combustion would be the combustion of methane which can be represented as: CH4 + O2\xa0→CO2 + H2O + Heat Those reaction which give out heat are known as exothermic reaction. |
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