SCX Chemistry: interactive lessons
Year 11 SCX. Redox, fuels and quantitative chemistry. Each chapter is a narrated, animated lesson with activities and exam practice. Turn your sound on, and use Chrome for the Google voice.
Oxidation numbers
The oxidation-number rules and a step-by-step calculator.
Chapter 2 · LOs 1, 3, 6, 7Oxidation, reduction, oxidants and reductants
OIL RIG, oxidation-state changes and justification sentences.
Chapter 3 · LOs 4–5Half equations and overall redox equations
Balancing half equations and combining them.
Chapter 4 · LO 8Redox observations
Colour changes of common oxidants and reductants and writing observations.
Chapter 5 · LOs 9–10, 12–13Fuels and combustion
Complete vs incomplete combustion and its environmental impact.
Chapter 6 · LOs 11, 14Specific energy and comparing fuels
q = mcΔT, e = q/m and evaluating ethanol vs propane.
Chapter 7 · LOs 15–18Moles, particles and stoichiometry
n = m/M, Avogadro's number and mass calculations from equations.
Chapter 8 · LOs 19–21Percentage composition and formulas
Percentage composition, empirical and molecular formulas.
Chapter 9 · LOs 22–28Gravimetry, hydrated salts and titrations
Constant mass, water of crystallisation, n = cV and titrations.
Nine chapters covering all 28 learning outcomes in the SCX Chemistry core notes. Each chapter ends with exam practice.