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If heat is written on the product side and the container is hot, what is the nature of the reaction?

Answer and explanation

Correct answer: Exothermic

In a thermochemical equation, heat written on the product side means that the reaction releases heat to the surroundings. The surroundings, including the container, therefore become warm. Such a reaction is called exothermic, so option A is correct. An endothermic reaction would absorb heat and generally cause cooling. Electrolytic decomposition and precipitation describe different reaction features and do not follow from the temperature observation.

Related tags

Exothermic ReactionHeat TransferChemical EquationsEnergy ChangesChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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