Tertiary Catalogue

Series: Chemical Equilibrium


Changing Equilibrium Systems: Changing the Temperature

Changing Equilibrium Systems: Changing the Temperature

What happens when you turn up the heat in an equilibrium? This video demonstrates how changing temperature affects reaction rates in accordance with Le Chatelier’s principle. Students will observe the colour of a solution of cobaltous chloride...Show More
Changing Equilibrium Systems: Increasing the Amount of a Product

Changing Equilibrium Systems: Increasing the Amount of a Product

What happens when you add more product to an equilibrium? This video demonstrates how an increase in products affects reaction rates in accordance with Le Chatelier’s principle. Students will observe how the appearance of a solution of sodium...Show More
Changing Equilibrium Systems: Increasing the Concentration of a Reactant

Changing Equilibrium Systems: Increasing the Concentration of a Reactant

What happens when you add more reactant to an equilibrium? This video demonstrates how an increase in reactants affects reaction rates in accordance with Le Chatelier’s principle. Students will observe how the colour of a solution of ferric...Show More
Changing Equilibrium Systems: Increasing the Pressure

Changing Equilibrium Systems: Increasing the Pressure

What happens when you increase the pressure on an equilibrium? This video demonstrates how changing pressure affects reaction rates in accordance with Le Chatelier’s principle. Students will observe the colour of a gaseous mixture of nitrogen...Show More
Changing Equilibrium Systems: Removing a Product

Changing Equilibrium Systems: Removing a Product

What happens when you remove products from an equilibrium? This video demonstrates how a decrease in the amount of product affects reaction rates in accordance with Le Chatelier’s principle. Students will observe how the appearance of a...Show More
Competing Equilibria

Competing Equilibria

How is chemical equilibrium important for cellular respiration? This video explains how two competing equilibrium reactions involving haemoglobin are at work in the process of cellular respiration. Clear explanations of this life-or-death example...Show More
Equilibrium Law

Equilibrium Law

What is an equilibrium constant and how do we work it out? This video explains various aspects of the equilibrium constant, including what it is, how to calculate it and how it can be affected by other factors like temperature and pressure....Show More
Le Chatelier's Principle

Le Chatelier's Principle

What does Le Chatelier have to do with chemical equilibrium? This shows how various changes can affect the balance of a reaction in equilibrium and favour one reaction over another, as predicted by Le Chatelier’s principle. Easy-to-understand...Show More
Reversible Reactions

Reversible Reactions

What does it mean if a reaction is in equilibrium? This video introduces key concepts such as reversible and irreversible reactions, forward and reverse reactions and equilibrium. Easy-to-understand explanations and examples of chemical...Show More
The Haber Process

The Haber Process

How is chemical equilibrium important for making ammonia? This video demonstrates how an understanding of chemical equilibrium and Le Chatelier’s principle is applied in the Haber-Bosch Process, making the production of ammonia more efficient....Show More