Effects of altering the pressure in chemical equilibria

slide set

ball fight, analogy, nursery, Gregor von Borstel, LNCU, ChemZ, chemical equilibrium, le chatelier

Once again the ball fight

Increase of the space -> decrease of the pressure

Worksheet

Arbeitsmaterial ChemZ Le Chatelier Druck Analogie Experiment Spritzentechnik Chemieunterricht

Simple experiments illustrate the effects of altering the pressure

Decreasing pressure leads to less dissolved gas.

The less carbon dioxide is dissolved, the higher the pH value of the solution is.

This can be shown with a suitable indicator.

keywords

Pressure dependence, equilibrium, equilibrium shift, Le Chatelier, solubility, carbon dioxide, ChemZ, syringes in experiments, mineral water, carbonic acid, concentration dependence, pH dependence, macroscopic, submicroscopic or particulate and mathematical-symbolic levels of representation, ball fight, competition in the nursery, children´s room, mama vs. baby

All materials by Andreas Böhm, Gregor von Borstel & David Weninger translated by Stefanie Schreiner, Sophie Busch and Lucia Wonning for the free (thanks!)

This work is licensed under version 4.0 of the Creative Commons CC-BY-SA license.