Chemical Reactions

Some signs that a indicate a chemical reaction:

• A new substance

• Release of energy

• Formation of a gas

• Formation of a solid

• change in color

• Change in temperature

The reaction in the video is both endothermic and exothermic. The flame is giving off energy making it exothermic while the liquid is retrieving energy making it endothermic.

Terms:

Reactant - A substance or molecule that is a part of a chemical reaction

Product - A substance that forms in a chemical reaction

Works cited

http://www.youtube.com/watch?v=uHPwkVOCMeo

http://www.harpercollege.edu/tm-ps/chm/100/dgodamb...

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