ASTROWORLD21
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What are exothermic
chemical reactions?

They are chemical reactions that absorb heat and decrease the temperature of the system.

They are chemical reactions that give off energy and increase the temperature of the surroundings.

They are chemical reactions that absorb heat and increase the temperature of the system.

They are chemical reactions that give off energy and decrease the temperature of the surroundings.

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Answer:

Answer below.

Explanation:

An exothermic reaction is a chemical reaction that releases energy through light or heat. It is the opposite of an endothermic reaction. Expressed in a chemical equation: reactants → products + energy.

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