For Students
For Teachers
For Parents

Join class Login Sign up

For Students
For Teachers
For Parents
For Schools
Resources

Join class
Login

Revision notes
IB Diploma
Chemistry
Chemistry: IB Diploma Higher Level
Extended Response - Le Châtelier

Extended Response - Le Châtelier

Chemistry: IB Diploma Higher Level, topic 5.4.5

Test yourself on Extended Response - Le Châtelier

Practise this topic for free

Previous topic5.4.4 IB Multiple Choice -Le Châtelier’s Principle Next topic5.5.1 Equilibrium & Equilibrium Graphs

Chemistry: IB Diploma Higher Level contents

1 Structure - Models of the Particulate of Matter
- 1.1 Introduction to the Particulate Model of Matter
  1.1.1 States of Matter
  1.1.2 Kinetic Molecular Theory
  1.1.3 Simple Sphere
  1.1.4 Changing State
  1.1.5 Forces Between Particles
  1.1.6 Changes of State
  1.1.7 Predicting States
  1.1.8 Changing State HyperLearning
  1.1.9 Ionization Energy
- 1.2 The Nuclear Atom
  1.2.1 Fundamental Particles
  1.2.2 Isotopes & Mass Number
  1.2.3 Mass Spectrometry
  1.2.4 Mass Spectrometry
  1.2.5 Mass Spectroscopy - Analysis
  1.2.6 Extended Response - Mass Spectrometry
  1.2.7 Radioactivity
- 1.3 Electron Configuration
  1.3.1 Electron Shells, Sub-Shells & Orbitals
  1.3.2 Electron Configuration
  1.3.3 Absorption & Emission Spectra
  1.3.4 IB Multiple Choice - Atomic Structure
  1.3.5 Extended Response - The Atom & Electrons
- 1.4 Counting Particles by Mass: The Mole
  1.4.1 Relative Masses
  1.4.2 The Mole
  1.4.3 IB Multiple Choice - Moles
- 1.5 Ideal Gases
  1.5.1 Ideal Gas Equation
  1.5.2 Gas Laws
  1.5.3 IB Multiple Choice - Gases & Kinetics
- 1.6 Elements, Compounds & Mixtures
  1.6.1 Fundamental Particles
  1.6.2 Pure Substances
  1.6.3 Purity & The Law of Definite Proportion
  1.6.4 Mixtures
  1.6.5 Separating Mixtures
  1.6.6 IB Multiple Choice - Pure Substances
  1.6.7 Extended Response - Moles & Pure Substances
- 1.7 States of Matter & Changes of State
  1.7.1 States of Matter
  1.7.2 Particle Diagrams
  1.7.3 IB Multiple Choice - Solids, Liquids, & Gases
  1.7.4 Balancing Equations & Ionic Equations
  1.7.5 Empirical & Molecular Formulas
- 1.8 Reacting Masses &. Volumes
  1.8.1 Balancing Equations & Ionic Equations
  1.8.2 Percentage Yield
- 1.9 Solutions
  1.9.1 Molarity
  1.9.2 Particulate Model of Solutions
2 Structure - Models of Bonding & Structure
- 2.1 The Ionic Model
  2.1.1 Ionic Bonding
- 2.2 The Covalent Model
  2.2.1 Covalent Bonds
  2.2.2 Complex Ions
  2.2.3 Factors Affecting Covalent Bond Strength
  2.2.4 Polarity
- 2.3 Covalent Structures
  2.3.1 Ionic Lewis Structures
  2.3.2 Covalent Lewis Structures
  2.3.3 VSEPR Theory
  2.3.4 Resonance Structures
  2.3.5 Allotropes of Carbon
  2.3.6 Formal Charge
  2.3.7 End of Topic Quiz - Bonding
  2.3.8 IB Multiple Choice - Bonding & Lewis Structures
  2.3.9 IB Multiple Choice - Resonance & Formal Charge
- 2.4 The Metallic Model
  2.4.1 Metallic Bonding
- 2.5 From Models to Materials
  2.5.1 Alloys
  2.5.2 Properties of Polymers
  2.5.3 Polymerisation Reactions
  2.5.4 Introduction to Alkenes
  2.5.5 Reactions of Alkenes
  2.5.6 End of Topic Quiz - Alkenes
- 2.6 Valence Electrons & Ionic Compounds
  2.6.1 Valence Electrons & Forming Ions
  2.6.2 Ionic Compounds
  2.6.3 End of Topic Quiz - Atoms & Ions
  2.6.4 IB Multiple Choice - Valence & Ions
- 2.7 Molecular Shape
  2.7.1 VSEPR
  2.7.2 Molecular Shapes
  2.7.3 Bond Hybridization
  2.7.4 IB Multiple Choice - VSEPR & Bond Hybridization
  2.7.5 Extended Response - Bonding & Molecular Shape
- 2.8 Intermolecular Forces
  2.8.1 Introduction to Intermolecular Forces
  2.8.2 London Dispersion Forces
  2.8.3 Dipole-Dipole Interactions
  2.8.4 Ion-Dipole Interactions
  2.8.5 Hydrogen Bonding
  2.8.6 Large Biomolecules
  2.8.7 IB Multiple Choice - Intermolecular Forces
  2.8.8 Extended Response - Hydrogen Bonding
3 Structure - Classification of Matter
- 3.1 The Periodic Table: Classification of Elements
  3.1.1 The Periodic Table
  3.1.2 Trends in the Periodic Table
  3.1.3 End of Topic Quiz - Periodicity & Trends
  3.1.4 Periodic Trends - Electronegativity & Affinity
  3.1.5 End of Topic Quiz - Periodic Trends
  3.1.6 IB Multiple Choice - Periodic Trends
  3.1.7 Extended Response - Periodic Table
- 3.2 Periodic Trends
  3.2.1 Atomic & Ionic Radii
  3.2.2 Ionisation & Electronegativity
  3.2.3 Metallic Behaviour & Oxides
  3.2.4 Period 3 Elements & Oxides
  3.2.5 Period 3 Oxides
  3.2.6 End of Topic Quiz - Period 3
  3.2.7 Periodic Trends: Blocks
  3.2.8 Redox Chemistry
- 3.3 Group 1 Alkali Metals
  3.3.1 Alkali Metals
- 3.4 Halogens
  3.4.1 Introduction to Halogens
  3.4.2 Reactions of Halogens
  3.4.3 Chlorine & Chlorate(I)
  3.4.4 End of Topic Quiz - Group 7
  3.4.5 Exam-Style Question - Group 7
  3.4.6 End of Topic Quiz - Periodicity, Group 2 & 7
- 3.5 Noble gases, group 18
  3.5.1 Noble Gases
- 3.6 Functional Groups: Classification of Organic
  3.6.1 Nomenclature
  3.6.2 Trends in Physical Properties
  3.6.3 Saturated & Unsaturated Hydrocarbons
  3.6.4 Nomenclature contd.
  3.6.5 Types of Formulas
  3.6.6 Isomerism
  3.6.7 Formulae
  3.6.8 Homologous Series
  3.6.9 Structural Isomers
- 3.7 Functional Group Chemistry
  3.7.1 Degrees of Substitution
  3.7.2 Arenes
- 3.8 Alkanes
  3.8.1 Alkanes
  3.8.2 Fractional Distillation
  3.8.3 Cracking
  3.8.4 Combustion
  3.8.5 Chlorination
  3.8.6 End of Topic Quiz - Alkanes
- 3.9 Alcohols
  3.9.1 Production of Alcohols
  3.9.2 Oxidation of Alcohols
  3.9.3 Oxidation of Alcohols - 2
  3.9.4 Elimination Reactions
  3.9.5 End of Topic Quiz - Alcohols
  3.9.6 Exam-Style Question - Alcohols
- 3.10 Halogenoalkanes
  3.10.1 Substitution Reactions
  3.10.2 Elimination Reactions
  3.10.3 Ozone Depletion
  3.10.4 End of Topic Quiz - Halogenoalkanes
4 Reactivity - What Drives Chemical Reaction?
- 4.1 Endothermic & Exothermic Reactions
  4.1.1 Endothermic & Exothermic Reactions
  4.1.2 Energy Diagrams
  4.1.3 Heat Transfer & Thermal Equilibrium
  4.1.4 IB Multiple Choice - Enthalpy & Energy
- 4.2 Enthalpy of Reaction, Formation, & Hess' Law
  4.2.1 Enthalpy of Reaction
  4.2.2 Bond Enthalpies
  4.2.3 Enthalpy of Formation
  4.2.4 Hess’ Law
  4.2.5 Thermodynamics & Kinetic Control
  4.2.6 End of Topic Quiz - Thermodynamics
  4.2.7 IB Multiple Choice - Enthalpy
  4.2.8 Extended Response - Enthalpy Change
- 4.3 Entropy
  4.3.1 Introduction to Entropy
  4.3.2 Absolute Entropy & Entropy Change
  4.3.3 Free Energy
  4.3.4 Thermodynamically Favorable Reactions
  4.3.5 IB Multiple Choice - Entropy & Free Energy
  4.3.6 Extended Response - Free Energy
5 Reactivity - How Much, How Fast & How Far?
- 5.1 Kinetics
  5.1.1 Collision Theory & Rates of Reaction
  5.1.2 Maxwell-Boltzmann Distribution
  5.1.3 Increasing Rates
  5.1.4 End of Topic Quiz - Kinetics
- 5.2 Rates of Reaction
  5.2.1 Rate Equations
  5.2.2 Rate Equations 2
  5.2.3 The Effect of a Catalyst
- 5.3 Stoichometry
  5.3.1 Stoichiometry
- 5.4 Le Châtelier’s Principle
  5.4.1 Introduction to Le Châtelier’s Principle
  5.4.2 Reaction Quotient & Le Châtelier’s Principle
  5.4.3 Temperature & Le Châtelier’s Principle
  5.4.4 IB Multiple Choice -Le Châtelier’s Principle
  5.4.5 Extended Response - Le Châtelier
- 5.5 Introduction to Equilibrium
  5.5.1 Equilibrium & Equilibrium Graphs
  5.5.2 Dynamic Equilibria
  5.5.3 Reversible Reactions & Directions
- 5.6 Equilibrium Constant
  5.6.1 Calculating the Equilibrium Constant
  5.6.2 Magnitude of the Equilibrium Constant
  5.6.3 Properties of the Equilibrium Constant
  5.6.4 Calculating Equilibrium Concentrations
  5.6.5 Representations of Equilibrium
  5.6.6 IB Multiple Choice - Equilibrium Constants
  5.6.7 Extended Response - Calculating Kc
- 5.7 Reaction Quotient & Equilibrium Constant
  5.7.1 Reaction Quotient
  5.7.2 Equilibrium Constants
  5.7.3 Partial Pressures
  5.7.4 Kp
  5.7.5 IB Multiple Choice - Reaction Quotient & Kp
  5.7.6 Extended Response - Kp & Bond Enthalpy
6 Reactivity - The Mechanisms of Chemical Change
- 6.1 Proton Transfer Reactions
  6.1.1 Brønsted-Lowry Theory
- 6.2 The pH Scale
  6.2.1 pH & pOH
  6.2.2 Ionic Product of Water
  6.2.3 Using Kw
  6.2.4 IB Multiple Choice - pH & Kw
  6.2.5 Extended Response - Kw
- 6.3 Strong & Weak Acids and Bases
  6.3.1 Strong Acids & Bases
  6.3.2 Weak Acids & Ka
  6.3.3 Weak Bases & Kb
  6.3.4 Weak Acids & Bases Calculation Walkthrough
- 6.4 Acid Deposition
  6.4.1 Acid Deposition
- 6.5 Types of Organic Reactions
  6.5.1 Electrophilic Substitution
- 6.6 Oxidation & Reduction
  6.6.1 Oxidation Number Method
  6.6.2 Winkler Method
  6.6.3 Redox Reactions
  6.6.4 Oxidation States & Equations
  6.6.5 End of Topic Quiz - Redox
  6.6.6 Extended Response - Redox Reactions
- 6.7 Electrochemical Cells
  6.7.1 Introduction to Electrochemical Cells
  6.7.2 Galvanic Cells
  6.7.3 Cell Notation
  6.7.4 Electrolytic Cells
  6.7.5 Extended Response - Voltaic Cells & Redox
- 6.8 Titration
  6.8.1 Redox Titrations
  6.8.2 Titration Calculations
  6.8.3 Atom Economy
- 6.9 Acid-Base Titrations
  6.9.1 Titration Calculation Weak Acid & Strong Base
  6.9.2 Titration Experimental Detail
  6.9.3 Extended Response - Titration
  6.9.4 Titration Calculations
  6.9.5 Titration Curves
  6.9.6 Titration Calculation Strong Acid & Weak Base
  6.9.7 IB Multiple Choice - Titrations
  6.9.8 Polyprotic Acids
  6.9.9 Titration Calculations Strong Acid & Strong Base
  6.9.10 Titrations Curves 2
7 Measurement, Data Processing & Analysis
- 7.1 Uncertainties & Errors in Measurements & Results
  7.1.1 Qualitative & Quantitative data
- 7.2 Graphical Techniques
  7.2.1 Drawing & Interpreting Graphs
  7.2.2 Linear Interpolation
- 7.3 Spectroscopic Identification of Organic Compounds
  7.3.1 Understanding NMR
  7.3.2 Carbon-13 NMR
  7.3.3 Hydrogen-1 NMR
  7.3.4 Hydrogen-1 NMR 2
  7.3.5 End of Topic Quiz - NMR
- 7.4 Infrared Spectroscpy
  7.4.1 Infrared Spectroscopy

Seneca

Teachers
Parents
Students
Your school
Join class
Get mobile app
Evidence Seneca works

Resources

Revision Notes
International A Level
IGCSE
IB Diploma
Maths
Teacher CPD
Resource Hub
Blog
Free CPD courses
Definitions
Mental health & wellbeing
Find tutors
Become a tutor

Legal

Terms
Privacy - UK
GDPR
Cookies
Privacy - DE + AT
Privacy - ES
Privacy - FR
Privacy - IT

Contact us

learnmore@seneca.io
Instagram
Facebook
YouTube
X
TikTok
Help & FAQs
Press kit

A Level Courses

A Level Biology Revision
A Level Business Revision
A Level Chemistry Revision
A Level Physics Revision
A Level Economics Revision
A Level English Language Revision
A Level English Literature Revision
A Level Geography Revision
A Level History Revision
A Level Political Studies Revision
A Level Psychology Revision
A Level Sociology Revision
A Level Maths Revision

GCSE Courses

GCSE Biology Revision
GCSE Business Revision
GCSE Chemistry Revision
GCSE Physics Revision
GCSE Computer Science Revision
GCSE Design Technology Revision
GCSE English Language Revision
GCSE English Literature Revision
GCSE Food Preparation & Nutrition Revision
GCSE French Revision
GCSE Geography Revision
GCSE German Revision
GCSE History Revision
GCSE Maths Revision
GCSE Media Studies Revision
GCSE Music Revision
GCSE Physical Education Revision
GCSE Religious Studies Revision
GCSE Sociology Revision
GCSE Spanish Revision

International A Level

International A Level Biology Revision
International A Level Chemistry Revision
International A Level Physics Revision

IGCSE

IGCSE Biology Revision
IGCSE Chemistry Revision
IGCSE Physics Revision
IGCSE Geography Revision
IGCSE English Language Revision
IGCSE Computer Science Revision

IB Diploma

IB Biology Revision
IB Physics Revision
IB Chemistry Revision
IB Business Revision
IB Economics Revision

KS3 Courses

KS3 English Revision
KS3 French Revision
KS3 Spanish Revision
KS3 Geography Revision
KS3 History Revision
KS3 Maths Revision
KS3 Science Revision

KS2 Courses

KS2 Computing
KS2 English
KS2 French
KS2 Geography
KS2 History
KS2 Maths
KS2 Science