Category: Demonstrations

Purpose To demonstrate the reactivity series and its practical application in preventing corrosion using zinc as a sacrificial anode. Materials Needed Procedure Chemical Reactions The…

Materials Needed Procedure Setup: Electrode Connection: Current Activation: Observation: Chemical Reactions The following reactions occur during the demonstration: Half Reaction Type Equation 2 H2O(l) +…

Purpose To demonstrate how the reactivity series is useful in cleaning tarnished silverware using a simple chemical process. Materials Needed Procedure Conclusion This demonstration effectively…

Purpose To help students understand the principles of a galvanic cell and the importance of a salt bridge in maintaining electrical conductivity. Materials Needed Procedure…

Plating of Nickel onto Copper Source Materials Needed Procedure Chemical Reactions Table 1: Oxidation and Reduction of Copper and Nickel Reaction Type Equation Standard Electrode…

Overview Reactions Cathode Reaction (Reduction) Anode Reaction (Oxidation) Alternate Half Reactions Cathode Reaction (with Base) Cathode (reduction): 2 H2​O (l) + 2e− → H2 ​(g) +…

Rubber band thermodynamics–  Office supplies are used to explore enthalpy, entrophy and Gibbs free energy Purpose:  To allow students to figure out the thermodynamics of…

Purpose To demonstrate how pH affects the solubility of Mg(OH)₂. Procedure Introduction Discussion: Initial Experiment Dissolution: Common Ion Effect Adding NaOH: Le Chatelier’s Principle Adding…

Purpose To illustrate the difference in strength between a weak acid (acetic acid) and a strong acid (hydrochloric acid). Procedure Conductivity Meter Setup: Observation: Serial…