CHM 103 - Physical chemistry

135 PAGES (42120 WORDS) Chemistry Study/Lesson Note

Ideal Gases

-An Ideal Gas and its Equation of State

-Unit ofR

-Calculations Using Ideal Gas Equation

-Dalton's Law of Partial Pressures

-Graham's Law of Effusion

The Kinetic Theory of Gases

-Recapitulation of Graham·sLaw

-Postulates of the Kinetic Theory of Gases

-Resolution of Molecular Velocities

-Mean Square Speed

-Derivation of the Expression for Pressure

-Ideal Gas Equation

-Calculation of Average Kinetic Energy

-Calculation of Number Density and Concentration

-Calculation of Mean Square Speed and Root Mean Square Speed

Real Gases

-Deviation from Ideal Gas Behaviour

-Behaviour of Real Gases

-Vander Waals Equation

-Critical Phenomena and Critical Points

-Critical Constants

-Critical Constants and Vander Waals Constants

-Determination of Critical Constants

-Test for Van der Waals Equation

Liquefaction of Gases

-Liquefaction of Gases

-Linde's Method

-Claude's Method

-Intermolecular Forces

-Van der Waals Forces

-Total Interaction Energy

-Hydrogen Bonding

-Effect of Molecular Interactions on Physical Properties 

SOLID AND LIQUID STATES OF MATTER

The Solid States and Solid Types

-Types of Solids

-Definition of Terms Used in Crystal Systems

-Lattice

-Basis

-Unit Cell

-Bravais Lattices and Crystal System>

-Cubic System Geometry

-Bravais Lattice

Nature of Bonds in Solids

-Crystal planes and Miller Indices 

-Determination of Unit Cell 

-Number of Net Atoms in a Cubic Unit Cell 

-Density Calculation 

-Experimental Method 

-Nature of Bonds in Solids

Structures of Crystals

-Crystals

-Ionic Crystals

-Covalent Crystals

-Molecular Crystals

-Common Encountered Metallic Structures

-Semiconductors

-Intrinsic Semiconductors

-Extrinsic Semiconductors 

Liquids

-Concept of a Liquid

-Comparison of Liquids with Gases and Solids

-Structure of Liquid

-Volume Change During Fusion and Vaporization

-Molar Enthalpies of Fusion and Vaporization

-X-ray Diffraction by Liquids

-Surface Tension

Other Properties of Liquids

-Vaporization 

-Vapour Pressure 

-Boiling Point 

-Trouton's Rule 

-Liquid Crystals

SOLUTIONS AND PHASE EQUILIBRIA

-Definition of Basic Terms

-Pure Substances and Solutions

-Differentiating Between Pure Substances and Solutions

-Types of Solutions

-Gaseous Solution

-Liquid Solutions

-Solid Solutions

-Different Ways of Expressing the Composition of Solutions

Solutions of Solids and Gases in Liquids

-Solutions of Solids in Liquids 

-Solution of Gases in Liquids 

-Factors affecting Solubility of Gases

Binary Liquid Solutions- 1

-Binary Liquid Solutions

-Raoult's Law 

-Ideal Solutions

-Non-Ideal Solutions 

-Ideal Solutions of Volatile Solutes 

-Raoult's Law Curves 

Binary Liquids Solutions- 2

-Vapour Pressure Variation with Liquid and Vapour Composition

-Boiling Point Diagrams

Partially Miscible Liquids

-Partially Miscible Liquid Systems 

-Effect of Impurities on CST Values 

-Immiscible Liquid Pairs 

-Concept of Distribution Law

Some Colligative Properties

-Relative Lowering of Vapour Pressure

-Determination of Relative Molecular Mass from the Lowering of Vapour Pressure 

-Measurement of Vapour Pressure Lowering

-Elevation of Boiling Point

Phase Rule

-Definition ofthe Terms

-Phase

-Definition of Number of Components

-Degree of Freedom

-Phase Rule

-Phase Diagrams

-Stability of the Phases of a Pure Substance