• Chemistry
  • Year 12


approx. 10 hrs

6 topics

35 concepts

Understand Effects of Disturbances to Equilibria to prepare you for Acids in Year 12 Chemistry

Available in


The Year 12 Equilibrium program is aligned to the NSW Chemistry curriculum within Module 5: Equilibrium and Acid Reactions. This topic investigates the meaning of Chemical Equilibrium and explores Le Châtelier's Principle and factors that affect Equilibrium, Equilibrium Constants and Solution Equilibria

Topics & Concepts We Cover

This learning program is made up of the following 6 topics, broken down into 35 concepts.

  • Equilibrium Constant Basic 9 concepts

    1. Equilibrium Constant

    2. Magnitude of the Equilibrium Constant

    3. Expressing K for Heterogeneous Reactions

    4. Temperature's Effect on the Equilbrium Constant

    5. Writing the Equilibrium Constant Expression

    6. Equilibrium Constant Calculations

    7. Using Reaction Tables to Calculate Equilibrium Constants

    8. Reaction Quotient, Q

    9. Comparing Q and K to Determine if Reaction is at Equilibrium

  • Solubility Equilibria 10 concepts

    1. Common Ion Effect

    2. Solubility Product Calculations

    3. Determining Ksp from Solubility

    4. Determining Solubility from Ksp (Single Cation and Anion)

    5. Determining Solubility from Ksp (Mulitple Cations/Anions)

    6. How Ionic Compounds Dissolve

    7. Slight Dissolution of All Ionic Compounds

    8. Predicting the Formation of a Precipitate

    9. Solubility Product Constant

    10. Writing Ion-Product Expressions

  • Resource: Solubility Product 1 concept

    1. [RESOURCE] Solubility Product Constants

  • Equilibrium 13 concepts

    1. Reversible Reactions

    2. Dynamic Equilibrium

    3. Concentration Profile Diagrams at the Start of a Reaction

    4. Catalysts and Equilibrium

    5. Increasing Concentration of a Reaction Component

    6. Decreasing Concentration of a Reaction Component

    7. Changing Concentration of Equilibrium Reaction Component

    8. Le Châtelier's Principle

    9. Technique to Answer Questions using Le Châtelier's Principle

    10. Reading Concentration Profile Diagrams

    11. Drawing Concentration Profile Diagrams

    12. Changing Pressure of Equilibrium Mixture

    13. Changing Temperature of Equilibrium Reaction

  • Resource: Solubility Rules 1 concept

    1. RESOURCE: Solubility Rules

  • Resource: Periodic Table 1 concept

    1. The Periodic Table

What you'll get

Learning Content

  • A customised learning plan to suit your needs, adapting to your pace as you learn, progress and achieve mastery
  • All the content required to help you master the syllabus, including theory, worked examples, exam preparation and practice questions

An Expert Tutor

  • We match you to a private, expert tutor who is right for your needs and goals
  • Our tutors are talented, tested, top ATAR achievers and subject experts
  • During each session, your tutor guides you through your learning program, providing real-time, live expert tutoring in Equilibrium


  • Access information at every stage showing what's been mastered, what areas need to be worked on and what's next
  • You and your parents receive a comprehensive feedback report after every session
  • Every session is recorded and available for you to watch at any time, allowing you to review what was covered

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