Chapter 8 Vocab

4. the ratio between the amounts in moles of any two compounds involved in a chemical reaction
6. a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
8. process by which electric current is passed through a substance to effect a chemical change.
9. relating to or affecting the fundamental nature of something; far-reaching or thorough.
11. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
12. process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
14. the symbolic representation of a chemical reaction in the form of symbols and formulae
15. a substance that takes part in and undergoes change during a reaction.
16. high temperature exo thermic reaction
17. any chemical reaction that absorbs heat from the environment

1. a reaction in which a compound breaks down into two or more simpler substances.
2. chemical reaction in which one element is replaced by another in a compound.
3. a type of chemical reaction that involves a transfer of electrons between two species.
5. a thing or person that is the result of an action or process.
7. reactions that release heat
8. a biological catalyst and is almost always a protein
10. reactions that occur when two different atoms or molecules interact to form a different molecule or compound.
13. an underlying substance or layer.