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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Thank you.
| ELECTROCHEMISTRY |
| Simulations |
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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 |
|
|
