Saturday, 7 May 2016

Microscopic and macroscopic viewpoints in thermodynamics

MACROSCOPIC AND MICROSCOPIC VIEWPOINT OF THERMODYNAMICS<br />The behaviour of a matter can be studied at two levels: a) Ma...

This macroscopic approach to the study of thermodynamics that does not require knowledge of the behaviour of individual pa...



Macroscopic thermodynamics is only concerned with the effects of the action of many molecules, and these effects can be pe...



The macroscopic observations are completely independent of the assumptions regarding the nature of matter.
Example: A moving car, a falling stone from a cliff, etc.</li></ul>Microscopic ( or statistical thermodynamics):<br /><ul>...




This microscopic approach to the study of thermodynamics that require knowledge of the behaviour of individual particles.
Microscopic thermodynamics is concerned with the effects of the action of many molecules, and these effects cannot be perc...

The microscopic observations are completely dependent on the assumptions regarding the nature of matter.
Example: Individual molecules present in air, etc.</li></ul>ZEROTH LAW OF THERMODYNAMICS<br /> When a body A is in t...


Extreme sensitiveness of the steam point to the change in pressure.</li></ul> To overcome this difficulty, triple point of...

An isothermal process, for example, is a process during which the temperature T remains constant.

An isobaric process is a process during which the pressure P remains constant.



An isochoric (or isometric) process is a process during which the specific volume v remains constant.

Adiabatic process:
A process during which there is no heat transfer is called an adiabatic process .


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