Problem Set 1       Answer key     Measurements and Calculations
Problem set 2        Answer key     Elements, Atoms, & Ions   
Problem set 3       Answer Key     Nomenclature
Problem set 4       Answer key      Chemical Comp. & Stoi.
Problem set 5       Answer key       Chemical Reactions
Problem set 6       Answer key       Stoichiometry
Problem Set 7      Answer key       Electrons in Atoms
Problem Set 8      Answer key       Chemical Bonding
Problem Set 9      Answer key      Gas, Liquids, & Solids
Problem Set 10    Answer key       Solutions
Problem Set 11    Answer key       Acids & Bases
Problem Set 12    Answer key  Equilibrium & Redox Reactions
Review Chapters 2-4         Answer key                        
Review Chapters 5-6       Answer key                      
Review Chapters 7-8       Answer key        
Review Chapters 9-12       Answer key     
Review Chapters 13-16      Answer key                     
Review for Final               Answer key