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While performing an experiment involving a reaction between two chemicals the scientists observes that the reaction container has become warm the observation is an example of

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chemical change because when the two chemicals mix they have a reaction witch makes the container warm.

dsdrajlin

Answer:

Exothermic reaction

Explanation:

While performing an experiment involving a reaction between two chemicals the scientists observe that the reaction container has become warm. The observation is an example of an exothermic reaction, that is, a reaction that releases heat which is transferred to the container and used to increase its temperature.

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