AQA GCSE Chemistry
Fundamental Ideas in Chemistry
Atoms, elements, compounds, formulae, equations and the foundations of chemistry.
📖 Learn
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Notes
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Top Tips
- Yield = amount of product formed
- Equilibium position: left = more reactants, less products; right = less reactants, more products
- Equilibrium position and rate of reaction are not related
Additional Resources
📘 Specification
AQA: Reversible Reactions & Dynamic Equilibrium
The official specification covering reversible reactions, energy
changes, dynamic equilibrium and the effects of concentration,
temperature and pressure on equilibrium position.
📖 Topic Guide
Chemguide: Reversible Reactions & Equilibria
A free topic hub covering reversible reactions, closed systems,
dynamic equilibrium, Le Chatelier's principle and the effects of
concentration, temperature, pressure and catalysts.
🎨 Visual Guide
RSC: Equilibrium & Reversible Reactions
A student-friendly poster, fact sheet and activities explaining
reversible reactions, dynamic equilibrium and why equilibrium is
important in industrial chemistry.
🧪 Concentration
Seneca: Concentration & Equilibrium
Free interactive revision on predicting how adding or removing
reactants and products changes the position of equilibrium.
🌡️ Temperature
Seneca: Temperature & Equilibrium
Interactive practice predicting equilibrium shifts when temperature
changes, using the exothermic and endothermic directions of a
reversible reaction.
💨 Pressure
Seneca: Pressure & Equilibrium
Free interactive revision using balanced equations and numbers
of gas molecules to predict the effects of changing pressure.
🏭 Industrial Chemistry
AQA: The Haber Process
The official specification for ammonia manufacture, including
the reaction, catalyst, temperature and pressure, recycling and
the economic compromises involved in choosing industrial conditions.
🎬 Haber Process
Chemguide: Manufacture of Ammonia
A detailed guide with an industrial video and process diagram,
explaining temperature, pressure, catalyst, recycling, equilibrium,
production costs and the uses of ammonia.
🚀 Apply & Evaluate
Seneca: Haber Process Trade-Offs
Apply equilibrium and rate ideas to the Haber process and explain
why industry compromises over temperature and pressure rather than
simply choosing conditions that give the greatest equilibrium yield.
🎲 Quiz
Generate a 10-question quiz on Metals.
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⭐ Challenge
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