Рет қаралды 39,237
Lecture on the derivation of entropy as a thermodynamic parameter from the Carnot cycle and its importance in the 2nd Law of Thermodynamics. Also discussed are methods to calculate the ΔSsys for different physical processes.
Outline
INTRODUCTION
0:37 Limitations of the 1st Law of Thermodynamics
3:01 Statement of the 2nd Law of Thermodynamics
3:45 Cyclic Heat Engines
12:14 Kelvin-Planck Statement of the 2nd Law
THE CARNOT CYCLE
13:34 Basic Principles of a Heat Engine
15:58 The Carnot Cycle and its Steps
31:13 Calculating Efficiency
38:29 Defining an expression for entropy
42:11 Derivation of the Clausius Inequality for reversible and irreversible spontaneous process
54:14 Generalized statement of the 2nd Law of Thermodynamics
58:01 Qualitative evaluation of ΔSuniv
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1:02:17 Calculating ΔSsys for closed systems
1:02:58 Isochoric process
1:04:44 Isobaric process
1:13:41 Isothermal process
1:19:38 Adiabatic process
1:26:06 Reversible Phase Changes
1:30:57 Mixing of Inert, Ideal Gases (constant T and P)