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Practice worksheets and answer keys

This is an archive of Chem 101/Chem 140 practice materials. I will try to update it often.

Scientific Notation:
Scientific Notation worksheet (2nd page is excellent practice) answer key
 
Metric and/or English Conversions:
metric system (C101, B3-4) answer key
metric conversions (answers are on the worksheet)
metric/English conversions answer key
   
Significant figures/Measurement:
Significant figures and Measurement answer key
   
Dimensional analysis:
Dimensional Analysis Activity none
Dimensional Analysis Workshop answer key
Intro problems answer key
Jabberwocky/Outerspace answer key
Practice problems (6-pages, multistep) answer key
   
More conversions:
Density worksheet answer key
Density of fur (units raised to a power) answer key is on the 2nd page of the worksheet
Moles and Molar Mass answer key
   
Nomenclature  
ionic compounds
(worksheets are at the end of the packet) 		answers included
molecular compounds/acids see activity on molecular/acid nomenclature
mixed nomenclature answer key
lots of equations to balance answer key
balancing/writing equations answer key
nomenclature worksheet (practice for big quiz!) answers included
   
Stoichiometry  
basic stoichiometry, Chem 101 worksheets answer key
limiting reactant practice problems answer key
Moles and Stoichiometry Practice Problems answers are at the bottom of the worksheet
Holey Moley! answers are at the bottom of the worksheet;
work is shown here
limiting reactant activity (baking soda + vinegar) answer key
   
Solutions (Ch 5)  
Chapter 5 practice
*(revised 10/30)		 answer key on the bottom of the worksheet
   
Thermochemistry (Ch 6)  
Hess' Law worksheet (Enthalpy galore) answer key
   
Quantum Chemistry (Ch 7)  
Electron configurations answer key
Photoelectric Effect answer key
Chapter 7 Practice worksheet 1 answer key