Diploma Programme

IB DP Chemistry R2.2 L6 | Activation Energy and Maxwell–Boltzmann Distributions | Lesson Walkthrough

Construct and interpret Maxwell–Boltzmann energy distributions and explain the role of activation energy.

IB DP Chemistry R2.2 L7 | Catalysts and Alternative Reaction Pathways | Lesson Walkthrough

Compare catalysts and explain alternative reaction pathways with lower activation energies.

IB DP Chemistry R2.2 L8 | Catalysts on Maxwell–Boltzmann Curves | Lesson Walkthrough

Use Maxwell–Boltzmann curves to explain catalysis and challenge common misconceptions.

IB DP Chemistry R2.2 L9 | Kinetics Evidence Lab | Lesson Walkthrough

Plan controlled rate comparisons and build conclusions supported by experimental evidence and particle explanations.

IB DP Chemistry R2.2 L10 | Multistep Mechanisms and the Rate-Determining Step | Lesson Walkthrough

Evaluate multistep reaction mechanisms, identify intermediates and catalysts, and reason about rate-determining steps.

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

Interpret multistep energy profiles, activation barriers and molecularity.

IB DP Chemistry R2.1 L3 | Stoichiometry with Gas Volumes and Solutions | Lesson Walkthrough

Combine gas-volume and solution-concentration data with stoichiometric ratios to calculate unknown reacting quantities.

IB DP Chemistry R2.1 L4 | Limiting and Excess Reactants | Lesson Walkthrough

Identify limiting and excess reactants by comparing available amounts with the balanced-equation ratio.

IB DP Chemistry R2.1 L5 | Theoretical Yield from the Limiting Reactant | Lesson Walkthrough

Calculate theoretical yield from the limiting reactant using mixed forms of quantitative data.

IB DP Chemistry R2.1 L6 | Experimental Yield and Percentage Yield | Lesson Walkthrough

Compare experimental and theoretical yields and calculate percentage yield. Students explain practical losses and investigate values above 100 percent.