Ch. 8 Vocab

2. a type of chemical reaction that involves a transfer of electrons between two species.
3. reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
7. a reaction in which a compound breaks down into two or more simpler substances.
12. chemical reaction in which one element is replaced by another in a compound.
15. any substance that increases the rate of a reaction without itself being consumed.
16. molecule that contains at least one unpaired electron.
17. chemical reactions that release energy.

1. reactions that occur when two different atoms or molecules interact to form a different molecule or compound.
4. a technique that uses direct electric current to drive an otherwise non-spontaneous chemical reaction.
5. a 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.
6. the process of burning something.
8. the symbolic representation of a chemical reaction in the form of symbols and formulae.
9. a substance that takes part in and undergoes change during a reaction.
10. an article or substance that is manufactured or refined for sale.
11. a biological catalyst and is almost always a protein.
12. the substance on which an enzyme acts.
13. chemical reaction that absorbs energy from the environment.
14. ratio between the amounts in moles of any two compounds involved in a chemical reaction.