Hesss Law allows the calculation of the enthalpy of one reaction based upon the data from two other reactions. -- In this kit, students determine the heat of reaction for three acid-base reactions using four solutions an . . .

Hesss Law allows the calculation of the enthalpy of one reaction based upon the data from two other reactions. -- In this kit, students determine the heat of reaction for three acid-base reactions using four solutions an . . .

This visual demonstration allows students to watch the effects of electrons moving from an oxidizing compound to a reducing compound. -- The transfer of electrons changes the properties of the compounds, creating a color . . .

This visual demonstration allows students to watch the effects of electrons moving from an oxidizing compound to a reducing compound. -- The transfer of electrons changes the properties of the compounds, creating a color . . .

Thermochromism is the phenomenon whereby certain substances undergo a reversible change of color or shade when heated or cooled. -- In this kit a number of metallic salts exhibit the thermochromic effect in which a compo . . .

This dynamic demonstration illustrates Le Chateliers Principle and chemical equilibrium. The equilibrium system of iron(III) ion, thiocyanate ion and iron(III) thiocyanate complex ion is disturbed by changing the concent . . .

Formation of a cloud of vapor above a Pyrex flask demonstrates an exothermic reaction and the action of a catalyst on the rate of reaction. The vapor forms from oxygen gas and steam, products of the exothermic decomposit . . .

With this kit, sodium potassium tartrate forms a soluble blue copper tartrate complex with copper sulfate. Reduction occurs at about 80 degrees C to form a golden orange copper oxide. Oxygen and some CO2 are also formed . . .

A dramatic, yet safe demonstration of an exothermic reaction and the strong oxidizing properties of potassium permanganate. Students will observe smoke and fire as glycerine is oxidized to produce carbon dioxide and wate . . .

Hydrogen peroxide can be an oxidizer or a reducer depending on the reaction in question. This demonstration illustrates this concept and produces some colorful and colorless results. In one reaction, hydrogen peroxide ox . . .

A spectacular eruption of foam illustrates the action of a catalyst on the rate of reaction. The decomposition reaction begins almost immediately after hydrogen peroxide, potassium iodide and dishwashing liquid (foaming . . .

Discover the reaction times for mixtures of differing concentrations of sodium sulfite and sodium iodate. -- Working in pairs, students quantify the results with graphical analysis and then calculate an empirical constan . . .

Let your students predict results based on theoretical considerations and then test their hypotheses. -- Using the supplied materials, students can explore the shift of chemical equilibrium in the following equilibrium s . . .

Introduce your students to basic techniques and principles of thermodynamics. -- Using the experimental activities and discussion material, students develop the concept of energy units and the calorie, and see how energy . . .

Introduce your students to basic techniques and principles of thermodynamics. -- Using the experimental activities and discussion material, students develop the concept of energy units and the calorie, and see how energy . . .