All Demonstration articles – Page 2
-
Demonstration
Endothermic solid–solid reactions
Observe an endothermic reaction between two solids in this demonstration or class experiment. Includes kit list and safety instructions.
-
Demonstration
A simple oscillating reaction
Use this demonstration to illustrate an oscillating reaction as bromate ions oxidise malonic acid to carbon dioxide. Includes kit list and safety instructions.
-
Demonstration
Indicators and dry ice demonstration
Create bubbles, ‘fog’ and a colour change adding dry ice to alkaline ammonia or sodium hydroxide solution in this demonstration. Includes kit list and safety instructions.
-
Demonstration
The thermal properties of water
Explore water’s boiling point, specific heat capacity and thermal conductivity in this demonstration. Includes kit list and safety instructions.
-
Demonstration
Recovering water from a solution using a condenser
Use this demonstration to show how pure water can be recovered from copper sulfate solution using a condenser. Includes kit list and safety instructions.
-
Demonstration
Catalytic oxidation of potassium sodium tartrate
Use this demonstration to illustrate catalysis of the oxidation of potassium sodium tartrate by hydrogen peroxide. Includes kit list and safety instructions.
-
Demonstration
Determining the relative molecular mass of butane
Use this demonstration to calculate the relative molecular mass of butane using simple apparatus. Includes kit list and safety instructions.
-
Demonstration
What makes a substance acidic?
Try these experiments to investigate acidity and learn how the acidic properties of some substances require water. Includes kit list and safety instructions.
-
Demonstration
Catalysing the reaction of sodium thiosulfate and hydrogen peroxide
Illustrate the effect of a catalyst as sodium thiosulfate is oxidised by hydrogen peroxide in this demonstration. Includes kit list and safety instructions.
-
Demonstration
Investigating the role of water in acidity
Try this practical or demonstration to explore the importance of water for acidity using hydrogen chloride and methylbenzene. Includes kit list and safety instructions.
-
Demonstration
Urea-methanal polymerisation
Explore condensation polymerisation by creating and investigating the properties of a thermosetting polymer in this demonstration. Includes kit list and safety instructions.
-
Demonstration
Modelling the greenhouse effect
Use this demonstration to illustrate the greenhouse effect and the role of carbon dioxide as a greenhouse gas. Includes kit list and safety instructions.
-
Demonstration
Universal indicator ‘rainbow’
Try this demonstration to create a rainbow effect using universal indicator, hydrochloric acid and sodium hydroxide. Includes kit list and safety instructions.
-
Demonstration
What are the dissolved solids in seawater?
Analyse the salts that crystallise from evaporating seawater, illustrating cation and anion tests in this demonstration. Includes kit list and safety instructions.
-
Demonstration
The properties of hydrogen chloride
Use this demonstration and practical to investigate properties of hydrogen chloride, such as its solubility in water. Includes kit list and safety instructions.
-
Demonstration
Cannon fire
Increase the rate of burning with the inclusion of oxygen, in this loud exothermic practical
-
Demonstration
Reacting zinc and copper(II) oxide
Illustrate competition reactions using the exothermic reaction between copper(II) oxide and zinc in this class demonstration. Includes kit list and safety instructions.
-
Demonstration
Allotropes of sulfur
Use this practical to explore the changes in the colour and consistency of sulfur as you heat it, melt it and eventually boil it. Includes kit list and safety instructions.
-
Demonstration
Diffusion of gases: ammonia and hydrogen chloride
A demonstration to show the diffusion of gases, using ammonia solution and hydrochloric acid. Includes kit list and safety instructions.
-
Demonstration
The effect of pressure and temperature on equilibrium | Le Chatelier’s principle
Try this demonstration to explore the effects of pressure and temperature on an equilibrium mixture with your students. Includes kit list and safety instructions.