Chapter 7 Vocab

4. reactions that occur when two different atoms or molecules interact to form a different molecule or compound.
8. any chemical reaction that absorbs heat from its environment.
14. reactions that involve the transfer of electrons from one species to another.
15. any item or service you sell to serve a customer's need or want.

1. symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side.
2. a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.
3. a substance that enters into and is altered in the course of a chemical reaction.
5. a chemical reaction in which one element replaces another in a compound.
6. processes in which chemical species break up into simpler parts.
7. the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12
9. Energy stored in the bonds of chemical compounds.
10. a reaction in which energy is released in the form of light or heat.
11. a number or symbol by which another number or symbol (as a mathematical variable) is multiplied.
12. occur when parts of two ionic compounds are exchanged, making two new compounds.
13. the mass in grams of one mole of a substance.