Is the heat of reaction positive or negative for an endothermic reaction?

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asked Dec 31, 2024 in Science by TreyGlaser66 (670 points)

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answered Dec 31, 2024 by CalebPoling (630 points)

positive

Because the heat is absorbed by the system, the 177.8 kJ is written as a reactant. The heat of reaction is positive for an endothermic reaction.

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