Question

Combustion is a chemical change and an exothermic reaction ------ Explain.

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Answer 1

Answer:

Exothermic reactions release heat and light into their surroundings. For example, combustion reactions are usually exothermic. In exothermic reactions, the products have less enthalpy than the reactants, and as a result, an exothermic reaction is said to have a negative enthalpy of reaction.

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