Manual

3
Physical Experiments on the Air-Cushion Table
Table of Contents
Introduction ........................................................................................................................ 5
1. Setup and Possible Uses of the Air-Cushion Table ........................................................... 6
1.1 Components of the experimenting apparatus ......................................................................... 6
1.2 Principle Uses of the Air-Cushion Table ............................................................................. 11
1.3 Setup of the Air-Cushion Table ............................................................................................ 11
1.4 Instructions for Usage .......................................................................................................... 12
1.5 Maintenance and Care .......................................................................................................... 13
2 Description of the Experiments ........................................................................................ 14
2.1 Structure and Properties of Gases ...................................................................................... 14
2.1.1 Motion of a Molecule in High Vacuum ............................................................................... 14
2.1.2 Motion of the Molecules in a Gas ........................................................................................ 14
2.1.3 Dependence of the Number of Impacts with the Vessel Wall on the
Velocity of the Molecules .................................................................................................... 15
2.1.4 Dependence of the Number of Impacts with the Vessel Wall on the Volume ...................... 15
2.1.5 Mean Velocity of the Molecules – Temperature of a Gas .................................................... 16
2 1.6 Mean Velocity of the Molecules – Influence on Foreign Molecules ................................... 17
2.1.7 Velocity of Molecules in a Gas Compound ......................................................................... 17
2.1.8 Mixing Temperature of Gases .............................................................................................. 18
2.1.9 Increase of Temperature in Gases when Supplying Energy ................................................. 19
2.1.10 Form and Volume Properties of Gases ................................................................................. 20
2.1.11 Adiabatic Compression and Expansion of Gases ................................................................ 21
2.1.12 Dependence of the Pressure on the Temperature ................................................................. 22
2.1.13 Dependence of the Pressure on the Number of Molecules .................................................. 22
2.1.14 Diffusion of Gases................................................................................................................ 23
2.1.15 Diffusion of a Gas through a Porous Partition ..................................................................... 24
2.1.16 Brownian Motion in a Gas ................................................................................................... 25
2.1.17 Density Distribution in a Gas in the Gravitational Field ..................................................... 26
2.1.18 Local Distribution of the Molecules in a Gas ...................................................................... 27
2.2 Structure and Properties of the Liquids ............................................................................. 29
2.2.1 Configuration and Motion of Molecules in a Liquid ........................................................... 29
2.2.2 Increase of Temperature in Liquids when Supplying Energy .............................................. 29
2.2.3 Diffusion of Liquids ............................................................................................................. 30
2.2.4 Brownian Motion in a Liquid............................................................................................... 31
2.2.5 Evaporation of a Liquid ....................................................................................................... 31
2.2.6 Liquefaction of a Gas through Pressure ............................................................................... 32
2.2.7 Solidification of a Liquid ..................................................................................................... 32