-
-
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…
-
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…
-
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…
-
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,…
-
NEB Class 11 Physical Chemistry Quizzes
Small daily revision beats last-minute panic.
-
2.4 Mole Concept
🎯 Learning outcomes After the completion of the chapter, the students should be able to: Define a mole and explain its relation with mass, volume, and number of particles. Interpret a balanced chemical equation in terms of interacting moles, representative particles, masses, and volume of gases (at STP). Perform stoichiometric calculations involving the above quantities….
-
7.2 Liquid State of Matter
🎯 Learning outcomes By the end of this chapter, students should be able to: Explain the physical properties of liquids like evaporation and condensation, vapour pressure and boiling, surface tension, and viscosity in terms of intermolecular force and intermolecular space. Describe liquid crystals and their applications. 1 Introduction ▼ An intermediate state between a solid…
-
5. Chemical bonding and shape of molecules
🎯 Learning outcomes After the lesson, learners should be able to: Show the structure of atoms and ions by the Lewis dot method. Explain the ionic bond and the properties of ionic compounds. Explain the covalent bond, the coordinate bond, and the properties of a covalent compound. Describe the features of sigma and pi bonds…
-
2. Stoichiometry
2.1 Dalton’s Atomic Theory 2.2 Law’s of stoichiometry 2.3 Avogadro’s hypothesis 2.4 Mole concept 2.6 Limiting Reactant 2.7 % yield from experimental & theoretical yield 2.8 Empirical & molecular formula from % composition
-
12. Basic Concepts of Organic Chemistry
12. Basic Concepts of Organic Chemistry 🎯 Learning outcomes By the end of this chapter, Students should be able to: Define organic chemistry and organic compounds. State and explain the origin of organic compounds. Describe reasons for the separate study of organic compounds. Explain the tetra-covalency and catenation property of carbon. Describe the classification of…
-
16. Fundamentals of Applied Chemistry
Fundamentals of Applied Chemistry · full notes Fundamentals of Applied Chemistry How chemistry turns raw materials into everyday products 🎯 Learning outcomes — after completion, students should be able to: 16.1 Explain the chemical industry and its importance. 16.2 Describe the stages in the development of a new product. 16.3 Explain the economics of production…
-
10 Alcohols
10. Alcohols — Chemistry Notes 🎯 Learning Outcomes After the lesson, learners should be able to: Describe the nomenclature, isomerism, and classification of monohydric alcohols. Distinguish primary, secondary, and tertiary alcohols by Victor Meyer’s Method. Explain the preparation of monohydric alcohols from haloalkanes, primary amines, and esters. Describe the industrial preparation of alcohol from: Oxo…
-
8. Haloalkanes (Alkyl halides)
Haloalkanes (Alkyl Halides) — Chapter 8 Notes 🎯 Learning Outcomes By the end of the chapter, students should be able to: Describe the nomenclature, isomerism, and classification of monohaloalkanes. Explain the preparation of monohaloalkanes from alkanes, alkenes, and alcohols. State physical properties of haloalkanes. Describe chemical properties of haloalkanes: substitution reactions, SN1 and SN2 reactions…
-
2. Ionic equilibrium
Ionic Equilibrium | NEB Chemistry Notes 🎯 Learning Outcomes By the end of the chapter, students should be able to: State and explain different concepts of acids and bases (Arrhenius, Brønsted–Lowry, and Lewis). Explain the limitations of the Arrhenius concepts of acids and bases. Define conjugate acids and conjugate bases. Identify conjugate acid-base pairs of…