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5.2 Hess’s Law
5.2 Hess’s Law — A Level Chemistry Learning outcomes Candidates should be able to: apply Hess’s Law to construct simple energy cycles carry out calculations using cycles and relevant energy terms, including: determining enthalpy changes that cannot be found by direct experiment use of bond energy data Before you start You can’t set a match…
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5.1 Enthalpy Change
5.1 Enthalpy Change — A Level Chemistry Learning outcomes Candidates should be able to: understand that chemical reactions are accompanied by enthalpy changes and these changes can be exothermic (ΔH is negative) or endothermic (ΔH is positive) construct and interpret a reaction pathway diagram, in terms of the enthalpy change of the reaction and of…
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2. General Chemistry
2.1 Atoms and Molecules 2.2 Atomic Weight 2.3 Molecular Weight 2.4 Equivalent Weight 2.5 Simple Mole Concepts
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8. Haloalkanes MCQs
5. Haloalkanes- Reaction with NaOH/KOH quizzes 6. Haloalkanes- Williamson’s Etherification quizzes 7. Haloalkanes – Other substitutions quizzes 8. Haloalkanes- Elimination quizzes 9. Haloalkanes – Wurtz reaction Quizzes 10. Haloalkanes- Chloroform- Preparation Quizzes 11. Haloalkanes – Chloroform – Properties Quizzes
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2.3 Molecular Weight
📥 Download PDF 2.3 Molecular Weight- Notes 📥 Download PDF 2.3 Molecular Weight- MCQs
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2.2 Atomic Weight
2.2 Atomic Weight | Subarnam ⚗️ Chapter 2 · Structure of Matter 2.2 Atomic Weight How do we measure something as impossibly small as an atom? This chapter builds the idea of relative atomic mass, and shows how Dulong & Petit turned a simple lab measurement into an atomic weight estimate. Introduction Relative Atomic Mass…
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2.1 Atoms and Molecules
2.1 Atoms and Molecules 2.1 · Atoms & Molecules Atoms Dalton Limitations Quiz Vocabulary Everything is builtfrom atoms& molecules. Matter — everything around us — is made of very small particles. Understanding how these particles are structured and combine explains how substances form and react. Definition Dalton’s postulates Modern position Limitations 01 Atoms & Molecules…
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2.8 Empirical and molecular formula from % composition
2.8 Empirical and Molecular Formula 🎯 Learning outcomes After the completion of the chapter, the students should be able to: Find the empirical and molecular formula from the percentage composition. Core Concepts Empirical Formula: The simplest whole-number ratio of atoms of each element present in a compound. Molecular Formula: The actual number of atoms of…
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1. Language of Chemistry
The Language of Chemistry The Language of Chemistry Just like learning English requires the alphabet, then words, then sentences — learning chemistry means mastering the “Alphabet” (Symbols), the “Words” (Formulas), and the “Sentences” (Chemical Equations). Let’s make it simple, logical, and fun! Syllabus at a glance 1 Hr 1.1 Symbol Introduction & definition Names and…
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24.2 Electrode and Cell Potentials and the Nernst Equation
24.2 Electrode, Cell Potential & Nernst Equation 🎯 Learning Outcomes Candidates should be able to: ✓ Define the terms: standard electrode (reduction) potential standard cell potential ✓ Describe the standard hydrogen electrode ✓ Describe methods used to measure the standard electrode potentials of: metals or non-metals in contact with their ions in aqueous solution ions…