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| Introduction |
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| Today the fact that all matter is made up of atoms is universally accepted. Realisation of the atomic constituents of matter began in 1828 when Scottish botanist Robert Brown observed a random ceaseless motion of pollen grains suspended in a liquid. Many macroscopic properties and phenomena observed can be explained using this microscopic picture of matter being composed of atoms or molecules possessing some form of motion. |
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| This module explains the kinetic theory and uses it to explain observed phenomena like diffusion, melting, boiling, evaporation and pressure exerted by a gas. |
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