Question

इंग्लिश
$how is \: energy \: released {?}^{2}$
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Answer 1

Answer:

Energy is used to break bonds in reactants, and energy is released when new bonds form in products. Endothermic reactions absorb energy, and exothermic reactions release energy. ... Whether a chemical reaction absorbs or releases energy, there is no overall change in the amount of energy during the reaction.