Exothermic Vs. Endothermic Reactions: Chemical reactions can release heat or absorb heat. The sign of ΔH can tell you this. A positive ΔH indicates an endothermic reaction while a negative.

This is an example of something known as an endothermic reaction. And have you ever felt the heat from a candle ... We can then plot a graph of our results. Speaker one Initially, the more ...

This is an example of something known as an endothermic reaction. And have you ever felt the heat from a candle ... We can then plot a graph of our results. Speaker one Initially, the more ...