Question

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

Thank you!!

Answer 1

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.