Question

value: 4
in endothermic reactions, heat ______ as a reactant in the chemical reaction.

a. is released
b. is absorbed
c. stays the same

3/3

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Explanation:

To solve this, we recall the definition of endothermic reactions. Endothermic reactions are those where heat is absorbed from the surroundings. Option a is for exothermic reactions (heat released), and option c is incorrect as heat changes. So heat is absorbed as a reactant in endothermic reactions.

Answer:

b. is absorbed