2.2 Atomic Weight
📥 Download PDF 2.2 Atomic Weight- Notes 📥 Download PDF 2.2 Atomic Weight- MCQs
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2.1 Atoms and Molecules
2.1 Atoms and Molecules 2.1 · Atoms & Molecules Atoms Dalton Limitations 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…
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24.1 Electrolysis
24.1 Electrolysis 🎯 Learning Outcomes Candidates should be able to: ✓ Predict the identities of substances liberated during electrolysis, from the state of the electrolyte (molten or aqueous), position in the redox series (electrode potential), and concentration ✓ State and apply the relationship F = Le between the Faraday constant, F, the Avogadro constant, L,…
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2.7 Calculation of % Yield from theoretical and experimental yield
2.7 Calculation of Percentage Yield 🎯 Learning outcomes After the completion of the chapter, the students should be able to: Calculate the theoretical yield and percentage yield from the given actual yield (experimental yield) Introduction to Yields When performing a chemical synthesis, we use a balanced chemical equation to compute exactly how much product should…
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1. Foundation and Fundamentals of Chemistry
🎯 Learning Outcomes By the end of this chapter, students should be able to: Define chemistry, matter, and other key terms of chemistry Recognise the importance and scope of chemistry Explain atom, molecule, radicals, valency, molecular formula, and empirical formula Recall simple ions with their name, formula, valency, and charges Write the molecular formula of…
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23.4 Gibb’s Free Energy
23.4 Gibbs Free Energy Change 🎯 Learning Outcomes Candidates should be able to: ✓ State and use the Gibbs equation ΔG⦵ = ΔH⦵ − TΔS⦵ ✓ Perform calculations using the equation ΔG⦵ = ΔH⦵ − TΔS⦵ ✓ State whether a reaction or process will be feasible, using the sign of ΔG ✓ Predict the effect…
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23.3 Entropy Change
The universe’s obsession with mess — and how chemists put a number on it 🎯 Learning outcomes Candidates should be able to: Define the term entropy, S, as the number of possible arrangements of the particles and their energy in a given system. Predict and explain the sign of the entropy changes that occur: during…
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23.1 Lattice Energy and Born-Haber Cycle
Lattice Energies and Born-Haber Cycles Understanding why ionic compounds are so stable — and how we measure it. 🎯 Learning outcomes Candidates should be able to: Define and use the terms: (a) enthalpy change of atomisation, ΔHat (b) lattice energy, ΔHlatt (the change from gas phase ions to solid lattice) (a) Define and use the…
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1. Volumetric Analysis
Volumetric Analysis | subarnam.com.np 🎯 Learning Outcomes After the completion of the lesson, the students should be able to Define and explain the terms volumetric and gravimetric analysis. Define and calculate equivalent weights of (elements, acids, bases, salts, oxidising and reducing agents) Define, express, and calculate the concentration of solutions in terms of percentage, g/l,…
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23.2 Enthalpy of solution & Hydration
🎯 Learning Outcomes Candidates should be able to: Define and use the term enthalpy change with reference to hydration, ΔHhyd, and solution, ΔHsol Construct and use an energy cycle involving the enthalpy change of solution, lattice energy, and enthalpy change of hydration Carry out calculations involving these energy cycles Explain, in qualitative terms, the effect…
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1. Volumetric Analysis MCQs
Chemical Analysis Introduction MCQs Equivalent Weight MCQs I Equivalent Weight MCQs II Equivalent weight MCQs III
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NEB Class 11 Physical Chemistry Quizzes
Small daily revision beats last-minute panic.