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Chemistry Notes

Gas Laws: Boyle’s, Charles’, Ideal gas equation and Dalton’s law of partial pressure

CONTENT Boyle’s law Charles’ law Ideal gas equation Dalton’s law of partial pressure BOYLE’S LAW It states that the volume […]

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Chemistry Notes

Kinetic Theory Of Matter

CONTENT• States of matter• Change of state: melting, boiling, evaporation, condensation and freezing• Kinetic theory of gases• Phemomena supporting kinetic […]

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Chemistry Notes

Empirical And Molecular Formulae

Empirical formula is the formula which shows the simplest whole number ratios of atoms present in a compound while molecular […]

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Chemistry Notes

Stoichiometry Of Reactions

CONTENT Calculation of masses of reactants and products Calculation of volume of reacting gases STOICHIOMETRY OF REACTIONS The calculation of […]

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Chemistry Notes

Introduction To The Mole Concept

CONTENT Relative atomic mass Relative molecular mass Molar volume of gases Percentage of an element in a compound THE MOLE […]

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Book keeping Notes

Principle Of Double Entry

Definition: Double entry book keeping is the system of keeping account, which take advantages of the two-fold aspect of every […]

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Book keeping Notes

Double Column Cash Book

Meaning: The two column Cash book so-called because for both debit and credit entries, it has two columns, one for […]

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Book keeping Notes

Single Column cash book

INTRODUCTION: This is the book for recording receipts and payments of money in cash or cheque. NOTE: No credit transaction […]

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Biology Notes

Ecological Management

CONTENT• Types of Association• Features by organism of an association TYPES OF ASSOCIATIONS AND THEIR FEATURESSYMBIOSIS OR MUTUALISM (+ +) […]

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Biology Notes

Functioning ecosystem in Biology

CONTENT Feeding Relationship Trophic Levels Food Chain and Food Web Energy Flow and Ecological Pyramids Energy Transformation in Nature Laws […]