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Endothermic/Exothermic Reactions

Author: Nathan Lampson

 

When chemical reactions occur, energy is either released or consumed during the reaction.

 

Exothermic reactions are chemical reactions that release energy.

 

Example:

Burning a candle is an example of an exothermic reaction because energy is being released during the reaction in the form of heat.

 

 

Endothermic reactions are chemical reactions that absorb energy.

 

Example:

When an egg is cooked over a stove the reaction taking place is endothermic.  The reaction absorbs the heat energy that is being produced by the stove burner.

Endothermic/Exothermic Reactions