Learn what sublimation is, why some solids turn directly into gases, and how this phase change relates to intermolecular forces in IB Chemistry.
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Learn what effective nuclear charge is, how it influences periodic trends, and why it determines atomic behavior in IB Chemistry.
Learn why sodium chloride is soluble in water, how ion–dipole interactions work, and how this connects to IB Chemistry bonding concepts.
Learn what pKa means, how it relates to acid strength, and how to use pKa values in IB Chemistry calculations and buffer problems.
Learn what Ka and Kb mean, how they measure acid–base strength, and how to use them in IB Chemistry calculations.
Learn the difference between strong and weak bases, how they dissociate, and how each affects pH and conductivity in IB Chemistry.
Learn how batteries produce electricity using redox reactions, electron flow, and electrochemical cells in IB Chemistry.
Learn what supersaturated solutions are, how they form, and why they are unstable in IB Chemistry.
Learn what standard cell potential (E°cell) is, how to calculate it, and why it determines the spontaneity of electrochemical reactions in IB Chemistry.
Learn what the shielding effect is, how inner electrons block nuclear attraction, and why this affects periodic trends in IB Chemistry.
Learn what catalyst poisoning is, how catalysts become deactivated, and why this matters in industrial and IB Chemistry processes.
Learn the difference between sigma and pi bonds, how they form, and why they matter in IB Chemistry bonding and structure.
Learn what a precipitation reaction is, why insoluble solids form, and how to identify precipitates in IB Chemistry.
Learn what the greenhouse effect is, how greenhouse gases trap heat, and why this process is essential yet linked to climate change.
Learn what intermolecular forces are, the types that exist, and how they affect boiling points, solubility, and states of matter in IB Chemistry.
Learn what polymerization is, the difference between addition and condensation polymerization, and why polymers are essential in IB Chemistry.
Learn what corrosion is, how metals corrode, and the redox processes behind rusting and metal degradation.
Learn what Ksp is, how it predicts precipitation and solubility, and why it is essential in IB Chemistry equilibrium problems.
Learn what fractional distillation is, how it separates mixtures by boiling point, and why it is essential in IB Chemistry and industry.
Learn what a chiral centre is, how to identify one, and why chirality matters in IB Chemistry and organic reactions.
Learn what functional groups are, why they determine organic reactivity, and how IB Chemistry uses them to classify molecules.
Learn what ionic equations are, how to write them, and why they are essential for understanding reactions in IB Chemistry.
Learn what nuclear fusion is, how light nuclei combine, and why fusion releases massive energy in IB Chemistry and physics.
Learn what electrolysis is, how it works, and how electric current drives non-spontaneous chemical reactions in IB Chemistry.