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From Internal Assessment and Extended Essay examples to HL/SL course guides, we share content here that makes the IB Diploma Programme journey easier.
IB Chemistry Reactivity 3.2 electron transfer reactions: how examiners mark oxidation numbers, half-equations, and redox titrations on Papers 1 and 2.
Read postIB Chemistry Reactivity 3.1 proton transfer reactions: Brønsted–Lowry, Lewis, Ka, pH curves, and the conjugate-pair writing that decides a 6 from a 7.
Read postIB Chemistry Reactivity 2.3 explained: Kc, Kp, Le Chatelier, ICE tables and the Paper 1/Paper 2 split that decides a 5 from a 7 in the IB Diploma.
Read postIB Chemistry Reactivity 2.2 breaks down the rate of reaction into collision theory, the rate expression, and Arrhenius behaviour.
Read postIB Chemistry Reactivity 1.4 entropy and spontaneity: Gibbs-energy traps, sign conventions, and Paper 1 / Paper 2 question types that decide a 6 from a 7.
Read postIB Chemistry Reactivity 2.1 – How much? Stoichiometry mastery for Paper 1 and Paper 2, with worked mole ratio, limiting reagent, and gas volume methods.
Read postIB Chemistry Reactivity 1.2 energy cycles explained: Hess's law, enthalpy of formation, and bond enthalpies, with the Paper 2 marking patterns that decide a 5 from a 7.
Read postIB Chemistry Reactivity 1.3 unpacked: bond enthalpies, Hess cycles, mean versus actual values, and the sign conventions that separate a level 6 from a 7 on Paper 1 and Paper 2.
Read postIB Chemistry Reactivity 1.1 enthalpy changes: the calorimetry, Hess cycle, and bond-energy question families that decide a 5 from a 7 on Paper 2, with rubric-aware tactics.
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