Chemistry Experiment Simulations and Conceptual Computer Animations

Chemical Education Research Group
Department of Chemistry
3051 Gilman Hall, Iowa State University
Ames, IA, 50011 USA
(515) 294-7718

Tom Greenbowe (tgreenbo@iastate.edu)
Professor of Chemistry and Coordinator of General Chemistry
Iowa State University
Ames, IA 50011

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Please use software such as "winzip" to extract the files and then open the ".html" files in the web browser to use the simulations/animations.

Thank you.

ELECTROCHEMISTRY
Simulations
Reactions of Metals and Metal Ions Experiment
Electrochemical Cell Experiment
Concentration Cells Electrochemical Cell Experiment
Electrolysis Electrochemical Cell Experiment
Animations
Zinc copper REDOX transfer  
Lead silver REDOX transfer  
Zinc Copper electrochemical cell  
Standard hydrogen electrode - zinc cell  
Standard hydrogen electrode - copper cell  
Dry cell (Zinc-Carbon)  
Car battery (Lead-Lead oxide)  
Car battery (Lead-Lead oxide)  
Flashlight  
REDOX TITRATION
Redox Titration Experiment
GAS LAWS
Simulations
Boyle's Law  
Charles' Law  
Charles' Law (Director version)  
Effusion Experiment (Micromolecular level, Flash version)  
Effusion Experiment (Micromolecular level, Director version)  
Effusion Experiment (Macromolecular level, Flash Version)  
Effusion Experiment (Macromolecular level, Director Version)  
Manometer Experiment  
Crush the Can  
THERMOCHEMISTRY
Simulations
Heat of neutralization experiment Reacting an acid with a base in a calorimeter (Flash version).
Heat of solution experiments Dissolving ionic salts in water in a calorimeter.
Heat transfer between metals and water experiment. Placing a hot piece of metal in water in a calorimeter.
Particulate nature of matter view of a metal at different temperatures  
Particulate nature of matter view of dissolving a solid salt, NaCl, in water  
SOLUTIONS
Simulations
Conductivity simulation  
Using a Spec-20 to determine the concentration of solutions.  
Boiling-point elevation and freezing-point depression experiment  
Vapor pressure experiment  
Animations
Sodium chloride dissolving in water.  
ACID-BASE EQUILIBRIA
Simulations
pH Measurements of Acids & Bases
pH Measurements: Salts & Buffers
Acid-base pH titration simulation
Animations
Water (two molecules, collision)  
 Water (equilibrium system)  
  Proton transfer (representation of a fast proton transfer reaction)
  HCl(aq) (an HCl collides with a water molecule)
  NH3(aq) (equilibrium system)
  HF(aq)
  Acetic acid(aq)
  HNO2(aq)
  Acetic acid buffer
  Reaction of HCl with NaOH (HCl - NaOH titration)
    NH4Cl(aq) equilibrium animation  
GENERAL EQUILIBRIA
Bromine liquid-gas equilibrium animation  
Cobalt chloride equilibrium animation  
NO2 N2O4 equilibrium animation  
STOICHIOMETRY
Simulations
Empirical formula of a compound
Amount of moles and atoms in metals  
Combustion reactions of hydrocarbons with excess oxygen  
Combustion reactions of hydrocarbons (with oxygen gas) - limiting reagent present  
Acid-base titration  
MEASUREMENT
Simulations
Functions and variables associated with stretching springs
KINETICS
Simulations
Method of initial rates simulation  
Method of Initial Rates at the molecular level  
Rate of a chemical reaction  
Arrhenius Equation. Temperature, Rate Constants, and Activation Energy Experiment  
Animations
 NO + O3 bimolecular collision  
H2 + Br2 --> 2HBr mechanism  
ethylene + H2 ---> ethane, Pt catalyst mechanism  
 2NO --> N2 + O2 - Pt, catalyst mechanism  
PREDICTING THE PRODUCTS OF CHEMICAL REACTIONS
Simulations
Periodic Trends in electronegativity
Chemical Bonds using Spartan electron density maps
Hydrogen Bonding Between Water Molecules  
SN2 reactions using Spartan electron density maps