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Energetics and Thermodynamics Part II: How to Handle Unusual Questions?

Energetics and Thermodynamics Part II: How to Handle Unusual Questions?

Most of the question came out in the preliminary examinations or the A levels H2 Chemistry examinations usually involve standard definitions that most students are familiar with… such as enthalpy... Read More
Reaction Kinetics Part 2: The Truth behind Rate Equations II

Reaction Kinetics Part 2: The Truth behind Rate Equations II

During the previous discussion on rate equations, one of the key points covered was the definition of rate in the rate equation.The term “rate” refers to instantaneous rate, rather than... Read More
Reaction Kinetics Part I: The Truth behind Rate Equations

Reaction Kinetics Part I: The Truth behind Rate Equations

Many A Level students profess that they have not much problems with this chapter, as they can handle standard questions reasonably well. However, when one probes deeper into details, gaps... Read More
Mystery of Prussian and Turnbull’s Blue Revealed (Part 2)

Mystery of Prussian and Turnbull’s Blue Revealed (Part 2)

Crystal Structure In Part 1 of the Prussian blue discussion, we noted that Prussian Blue (PB) : FeIII[FeII(CN)6] – (also known as ferric ferrocynanide)Turnbull’s Blue (TB) : FeII[FeIII(CN)6] – (also known as ferrous ferricyanide)... Read More
Stoichiometry Part III: Tackling Redox Stoichiometry

Stoichiometry Part III: Tackling Redox Stoichiometry

A common type of question in A-level Chemistry Preliminary Exams is redox calculation questions. This type of question usually appears in Paper 1 (MCQ) which allows only 1.5 minutes to... Read More
Chemical Equilibria Part II: The Truth Behind Le Chatelier’s Principle: Temperature effect

Chemical Equilibria Part II: The Truth Behind Le Chatelier’s Principle: Temperature effect

Click here to read Chemical Equilibria Part I: Tackling standard A Level / Prelims examination questions Le Chatelier’s Principle was first taught in secondary schools, and delved deeper in A... Read More
Chemistry of Aqueous Solutions – Acids and Bases Part I

Chemistry of Aqueous Solutions – Acids and Bases Part I

Chemistry of Aqueous Solutions is usually one of the BIGGEST FEAR many A-level students have, reason being that schools introduce too many jargons and concepts, such that students cannot filter out the... Read More
Energetics and Thermodynamics Part I: Hess’ Law and Energy Cycles

Energetics and Thermodynamics Part I: Hess’ Law and Energy Cycles

One of the most daunting task in the chapter of Energetics and Thermodynamics in A level H2 Chemistry is the construction of energy cycles and energy level diagrams. In this... Read More
Chemical Equilibria Part I: Tackling standard A Level / Prelims examination questions

Chemical Equilibria Part I: Tackling standard A Level / Prelims examination questions

Chemical Equilibria is usually taught before Chemistry of Aqueous Solutions in junior colleges, though there are schools would do Chemical Equilibria in the 1st year, and Chemistry of Aqueous Solutions... Read More