Question

Combustion reaction can also be considered as an exothermic reaction. Explain it by using two
examples.​

Answer 1

Answer:

An exothermic reaction occurs when the temperature of a system increases due to the evolution of heat. This heat is released into the surroundings, resulting in an overall negative quantity for the heat of reaction. An example of an exothermic reaction is the mixture of sodium and chlorine to yield table salt.

Explanation:

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Answer 2

Answer:

Combustion is an oxidation reaction that produces heat, and it is therefore always exothermic. All chemical reactions first break bonds and then make new ones to form new materials.

If the energy released by the new bonds is greater than the energy needed to break the original bonds, the reaction is exothermic.

EXAMPLES:

Rusting of iron (rust steel wool with vinegar)

Reaction between water and calcium chloride.

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