IB

IB DP Chemistry R2.3 L9 | Equilibrium Constant and Gibbs Energy: Two Measures of Reaction Position | Lesson Walkthrough

Connect the equilibrium constant with standard Gibbs energy and use the relationship to predict reaction position.

IB DP Chemistry R2.2 L1 | What Is Reaction Rate and How Can It Be Measured? | Lesson Walkthrough

Measure reaction rates using mass loss and gas volume, compare units and convert measurements to molar rates.

IB DP Chemistry R2.2 L2 | Rates from Graphs | Lesson Walkthrough

Calculate mean and instantaneous rates from graphs using gradients and tangents.

IB DP Chemistry R2.2 L3 | Collision Theory | Lesson Walkthrough

Explain successful collisions through energy and orientation, and use particle models to compare rates.

IB DP Chemistry R2.2 L11 | Multistep Energy Profiles and Molecularity | Lesson Walkthrough

Interpret multistep energy profiles, activation barriers and molecularity.

IB DP Chemistry R2.2 L12 | Deducing Rate Equations from Experimental Data | Lesson Walkthrough

Deduce reaction orders and rate equations from experimental initial-rate data.

IB DP Chemistry R2.2 L13 | Reaction Order from Graphs | Lesson Walkthrough

Use rate and concentration-time graphs to identify reaction orders and interpret half-lives.

IB DP Chemistry R2.2 L14 | Rate Constants, Units and Rate-Equation Calculations | Lesson Walkthrough

Calculate rate constants and their units, use rate equations and assess consistency across experimental data.

IB DP Chemistry R2.2 L15 | The Arrhenius Equation | Lesson Walkthrough

Use Arrhenius plots and temperature-dependent rate constants to calculate activation energy.

IB DP Chemistry R2.2 L4 | Rate Factors I | Lesson Walkthrough

Investigate concentration, pressure and surface area while identifying and controlling experimental variables.