Basic Concepts of Thermodynamics (Animation)
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Basic Concepts of Thermodynamics (Animation)
Chapters:
0:00 Kinetic school's intro
0:17 Definition of Thermodynamics
0:52 Thermodynamics terms
1:40 Types of System
2:40 Homogenous and Heterogenous System
3:55 Thermodynamic Properties
6:30 State of a System
8:10 State Function
9:25 Path Function
Thermodynamics:
The word "thermodynamics" was derived from the Greek words:
"Thermé" which means “Heat” and "Dynamics" means “force”.
So, "Thermodynamics" is essentially the study of forces due to heat or heat due to forces.
THERMODYNAMIC TERMS:
System:
A thermodynamic system (simply "system") is that part of the universe which is under thermodynamic study.
Surroundings
The space outside the thermodynamic system is known as the surroundings.
System Boundary:
Anything which is separating the system from the surroundings, is called the boundary.
Thermodynamics systems
can be described in three different ways:
Open,
Closed
And isolated.
THERMODYNAMICS Properties:
Thermodynamic properties are defined as characteristic features of a system, capable of specifying the system's state.
In general, thermodynamic properties can be divided into two general classes:
Intensive properties and
Extensive properties.
State Variable:
When the properties of a system define the state of that system
is called State Variables.
State function:
A State function is a thermodynamic property of a system, whose value depends
only on the present state of the system and is independent of the path by which
that state was reached.
Path function:
A Path function is a thermodynamic property of the system, whose value depends upon the path by which the system changes from its initial to final states.
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