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4 Videos
34 Assessment Questions
75 Journal Articles
40 Other Resources
Videos: First 3 results
The Stoichiometry group contains three groups: Exploding Soap Bubbles: Hydrogen + Oxygen; Acid-Base Titrations and Animation; and Redox Titration and Animation.
Gas Stoichiometry  
Gas is generated from one mole of liquid of solid and the volume is measured using a gas collection system.
Stoichiometry |
Exploding Soap Bubbles: Hydrogen + Oxygen  
Explosions of bubbles filled with only hydrogen and with varying ratios of hydrogen and oxygen are demonstrated.
Reactions |
Oxidation / Reduction |
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Assessment Questions: First 3 results
Stoichiometry : DeterMolesInRxn (4 Variations)
The reaction of zinc with aqueous hydrochloric acid has the following unbalanced equation

Zn(s) + HCl(aq) ArrowZnCl2(aq) + H2(g)

When 0.1 moles of zinc is reacted with 0.1 moles of hydrochloric acid ...

Stoichiometry |
Stoichiometry : MolsO2ToReactFuel (10 Variations)
Butane can be used as a fuel. How many moles of oxygen are needed to completely react with 3.0 moles of butane?

The unbalanced reaction equation is given below:
C4H10(g) + O2(g) CO2(g) + H2O(g)

Stoichiometry |
Reactions |
Atoms,_Molecules_and_Ions : MassInAlloy (10 Variations)
Gold is alloyed with other metals to make it less malleable. 10 karat gold is an alloy that is 41.7% gold. How much pure gold is in a 20. gram 10 karat gold ring?
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Journal Articles: First 3 results.
Ionic Blocks  Richard S. Sevcik, Rex Gamble, Elizabet Martinez, Linda D. Schultz, and Susan V. Alexander
"Ionic Blocks" is a teaching tool designed to help middle school students visualize the concepts of ions, ionic compounds, and stoichiometry. It can also assist high school students in reviewing their subject mastery.
Sevcik, Richard S.; Gamble, Rex; Martinez, Elizabet; Schultz, Linda D.; Alexander, Susan V. J. Chem. Educ. 2008, 85, 1631.
Ionic Bonding |
Nomenclature / Units / Symbols |
Nonmajor Courses |
A Laboratory Experiment Using Molecular Models for an Introductory Chemistry Class  Shahrokh Ghaffari
Presents a new approach to using molecular models in teaching general chemistry concepts. Students construct molecular models and use them to balance simple chemical equations, demonstrate the law of conservation of mass, and discover the relationship between the mole and molecules and atoms.
Ghaffari, Shahrokh. J. Chem. Educ. 2006, 83, 1182.
Molecular Modeling |
Stoichiometry |
Student-Centered Learning
Interactive Demonstrations for Mole Ratios and Limiting Reagents  Crystal Wood and Bryan Breyfogle
The objective of this study was to develop interactive lecture demonstrations based on conceptual-change learning theory. Experimental instruction was designed for an introductory chemistry course for nonmajors to address misconceptions related to mole ratios and limiting reagents
Wood, Crystal; Breyfogle, Bryan. J. Chem. Educ. 2006, 83, 741.
Learning Theories |
Reactions |
Stoichiometry |
Student-Centered Learning
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Other Resources: First 3 results
Balancing Chemical Equations  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Balancing Equations for Carbohydrate Reactions  Ed Vitz
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Stoichiometry |
The Mole  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
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