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I need some help with chem, how do you know whether the reaction is endothermic or exothermic? Pls provide examples.

Thank you!!

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chester10

Answer:

Basing on explanations below;

1. Endothermic reactions have a positive enthalpy while Exothermic reactions have a negative enthalpy.

2. Endothermic reactions take place in high temperatures while Exothermic reactions take place in low temperatures.