Entropy

Entropy ParaDice

A classroom set of two six-sided dice per student (one red and one white) provides an interactive activity that helps students to understand the nature of entropy.
Entropy Dice in Box

Hot and Cold Packs

Calcium chloride it gets hot when water is added to it, ammonium chloride gets cold.
Hot and Cold Packs

Frozen Board

An endothermic reaction freezes a beaker to a board.
Setup

NO2/N2O4 Equilibrium

The equilibrium visibly changes with temperature.
NO2/N2O4 Equilibrium

© Copyright 2012 Email: Randy Sullivan, University of Oregon Chemistry Department and UO Libraries Interactive Media Group