11/18/2025 · 6 min read
What Is a Catalyst and How Does It Work?Learn what catalysts are, how they work, and why they lower activation energy in IB Chemistry reactions.
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Page 58 of 247 - Discover expert study guides, exam tips, and educational insights. Access proven strategies from education professionals to help you succeed in your IB DP, AP, A-Level, and university preparation.
Blog Articles
11/18/2025 · 6 min read
Oxidation and Reduction Explained for IB ChemistryLearn the meaning of oxidation and reduction, how to identify redox reactions, and how to apply these concepts in IB Chemistry.
11/18/2025 · 6 min read
Covalent Bonds Explained Clearly for IB ChemistryLearn what covalent bonds are, how they form, and why they matter in IB Chemistry. Perfect for fast, clear revision.
11/18/2025 · 7 min read
Electronegativity Explained Simply for IB ChemistryLearn what electronegativity means, why it varies across the periodic table, and how to use it confidently in IB Chemistry.
11/18/2025 · 6 min read
Why H₂O Is Bent: Molecular Shape ExplainedLearn why water has a bent molecular shape using VSEPR theory and how to explain it clearly for IB Chemistry exams.
11/18/2025 · 6 min read
How Temperature Affects Gas Volume for IB ChemistryLearn how increasing temperature changes gas volume using kinetic theory and gas laws, tailored for IB Chemistry success.
11/18/2025 · 6 min read
Hund’s Rule Explained for IB ChemistryLearn what Hund’s Rule states, why electrons occupy orbitals singly first, and how to apply it in IB Chemistry.
11/18/2025 · 6 min read
What Causes Water’s High Surface Tension?Learn why water’s surface tension is unusually high and how hydrogen bonding explains this key IB Chemistry concept.
11/18/2025 · 6 min read
Isotopes Explained Clearly for IB ChemistryLearn what isotopes are, why they differ, and how IB Chemistry uses them in atomic structure and calculations.
11/18/2025 · 7 min read
What Is the Periodic Trend for Atomic Radius?Learn how atomic radius changes across periods and groups, why the trend occurs, and how to use it confidently in IB Chemistry exams.
11/18/2025 · 5 min read
What Is the pH of a Neutral Solution at 25°C?Learn why the pH of a neutral solution is 7 at 25°C and how temperature affects neutrality in IB Chemistry.
11/18/2025 · 6 min read
Exothermic Reactions Explained for IB ChemistryLearn what exothermic reactions are, why they release heat, and how to explain them clearly in IB Chemistry exams.
11/18/2025 · 6 min read
Avogadro’s Constant Explained for IB ChemistryLearn what Avogadro’s constant is, why it matters, and how to use it confidently in IB Chemistry calculations.
11/18/2025 · 6 min read
Spectator Ions Explained for IB ChemistryLearn what spectator ions are, how to identify them, and why they matter in ionic equations for IB Chemistry.
11/18/2025 · 5 min read
Buffers Explained for IB ChemistryLearn what buffers are, how they resist pH change, and how to explain them clearly in IB Chemistry exams.
11/18/2025 · 6 min read
How Pressure Affects Gas Solubility for IB ChemistryUnderstand how increasing or decreasing pressure changes gas solubility and why this matters for IB Chemistry exams.
11/18/2025 · 6 min read
Dynamic Equilibrium Explained for IB ChemistryLearn what dynamic equilibrium is, how it forms, and how to explain it clearly in IB Chemistry exams.
11/18/2025 · 6 min read
What’s the Difference Between a Strong and a Weak Acid?Learn the key differences between strong and weak acids, including ionization, pH, and exam tips for IB Chemistry.
11/18/2025 · 6 min read
The Mole Explained Clearly for IB ChemistryUnderstand what a mole is, why it matters, and how IB Chemistry uses it for calculations, reactions, and real-world applications.
11/15/2025 · 6 min read
What Does Ohm’s Law State?Learn what Ohm’s Law states, how voltage, current, and resistance are related, and how to apply it in IB Physics exams and IA work.
11/15/2025 · 5 min read
What Is an Ecosystem?Learn what an ecosystem is, how it functions, and why it is essential in IB Biology ecology topics.
11/15/2025 · 6 min read
What Is Amplitude in a Wave?Learn what amplitude means in wave physics, how it affects energy, and why it is essential for IB Physics exams and IA investigations.
11/15/2025 · 6 min read
What Is the Correct General Equation for Cellular Respiration?Learn the correct general equation for cellular respiration and understand how it appears in IB Biology exams and metabolic pathways.
11/15/2025 · 6 min read
How Does Resistance Affect Current in a Circuit?Learn how resistance influences current in an electric circuit, with clear IB Physics explanations, examples, and exam-focused guidance.
