Experiments with Vernier equipment
Simulations with the Vensim software

* Acid-Base and conductometric titration
with Vernier equipment

* Reactions of solids with acids

Acid-Base titration (Vernier) / Video

Titration curves of strong and week acids and bases
(Vernier)

Light and color 1

Light absorption by filters:
An excellent interactive link to the backgrounds of absorption

Testing of light sources (Vernier Spectroscopy)

Spectroscopy Video (Vernier)

Rate law determination of the crystal violet reaction:
* Colors desappearing ... Simulation with Vensim
(First install the software Vensim PLE, than save the
Vensim files under downloads by clicking the right
mouse button before opening the file)
Working instructions (Vernier) / Video

* The phenomenon of glowing in the darkness ...:
Working instructions
Vensim files: 1st order process / 3rd order process
(First install the software Vensim PLE, than save the
Vensim files under downloads by clicking the right
mouse button before opening the file)

Other spectroscopic Vernier Experiments
for free download

Virtual Chemistry Experiments: Spectrophotometry

* My coffee is cooling down so fast ...;
or the warming up of a fresh cola at the beach ...
Simulation with Vensim PLE
(First install the software Vensim PLE, than save the
Vensim files under downloads by clicking the right
mouse button before opening the file)

* Competition of the molecules

* The power of catalysts
Vensim files (but first try to design your own model):
(First install the software Vensim PLE, than save the Vensim files under downloads by clicking
the right mouse button before opening the file)
- first order reaction with back coupling
- second order reaction with educt and product, with positive back coupling
- back coupling with the educt (first order) and the temperature of the reaction mixture
- reaction with estimation of the cooling down of the reaction mixture

Reaction between citric acid solution and baking soda
(Vernier)

* Monitoring of water quality indicators

Virtual Chemistry Experiments

Simulation with the software Vensim PLE
Free download / Documentation and user's guide (in english, portuguese and spanish)
Download of Vensim files:
First install the software, than save the Vensim files under downloads by clicking the right
mouse button before opening the file.

An introduction into the software Vensim PLE:
* Pocket money management and chemical reactions?
* Working instructions
Vensim files for different cases (but first try to design your own model):
(First install the software Vensim PLE, than save the Vensim files under downloads by clicking
the right mouse button before opening the file)
case 1 / case 2 / case 3

* Ethanol and medicaments in our body
Vensim files (but first try to design your own model):
(First install the software Vensim PLE, than save the Vensim files under downloads by clicking
the right mouse button before opening the file)
ethanol in blood / ethanol in brain / tamiflu