Stoichiometry

7. the mass in grams of one mole of any pure substance
10. two or more atoms that covalently bond together
12. the number 6.0221367 × 10^23, which is the number of representative particles in a mole
14. The ___in a balanced equation represent the number of molecules as well as the number of moles of molecules.
15. the amount of product actually produced when a chemical reaction is carried out in an experiment
18. a ratio between the numbers of moles of any two substances in a balanced chemical equation
20. the SI base unit used to measure the amount of a substance
21. six hundred and two sextillion things
22. leftover reactant(s) in a chemical reaction
23. two things
24. the study of quantitative relationships between amounts of reactants used and products formed by a chemical reaction

1. the ratio of actual yield to theoretical yield (from stoichiometric calculations) expressed as a percent
2. a process in which the atoms of one or more substances are rearranged to form different substances
3. The chemicals used in the beginning of a chemical reaction
4. in a chemical reaction, the maximum amount of product that can be produced from a given amount of reactant
5. twelve things
6. This number shows how many atoms are in a chemical formula.
8. twenty things
9. one hundred and forty four things
11. This symbol is pronounced "yields" or "produces" or "turns into"
13. All stoichiometric calculations start with ______ based on balanced chemical equations.
16. limits the extent of the chemical reaction and so determines the amount of product
17. The law of ___ states that matter is neither created nor destroyed
19. The chemicals that are formed by the end of a chemical reaction.