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scZoUnD [109]
3 years ago
15

How do you know if a reaction is exothermic?

Chemistry
1 answer:
n200080 [17]3 years ago
3 0
You know if the reaction releases energy or heat.

Info:
<span>An exothermic reaction is a chemical reaction that releases energy by light or heat. It is the opposite of an endothermic reaction. Expressed in a chemical equation: reactants → products + energy.</span>
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