Second Law of Thermodynamics - Heat Energy, Entropy & Spontaneous Processes

This physics video tutorial provides a basic introduction into the second law of thermodynamics. It explains why heat flows from a hot object to a cold object. The second law of thermodynamics states that the change in entropy of a natural process is always a positive. For an ideal reversible process, the entropy change is equal to or greater than zero.

Open Vs Closed Vs Isolated System:
   • Open System, Closed System and Isolat...  

First Law of Thermodynamics:
   • First Law of Thermodynamics, Basic In...  

Isobaric Process:
   • Isobaric Process Thermodynamics - Wor...  

Isochoric Process:
   • Isochoric Process Thermodynamics - Wo...  

Isothermal Process:
   • Isothermal process Thermodynamics -  ...  

Internal Energy of an Ideal Gas:
   • Internal Energy of an Ideal Gas - Mol...  

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Adiabatic Process:
   • Adiabatic Process - Work, Heat & Inte...  

PV Diagrams:
   • PV Diagrams, How To Calculate The Wor...  

Thermodynamics Review:
   • Thermodynamics, PV Diagrams, Internal...  

Heat Engines:
   • Heat Engines, Thermal Efficiency, & E...  

Converting Heat Into Electricity:
   • Thermodynamics - Converting Heat Ener...  

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Carnot Cycle:
   • Carnot Cycle & Heat Engines, Maximum ...  

Otto Cycle:
   • Otto Cycle of Internal Combustion Eng...  

Refrigerators and Heat Pumps:
   • Refrigerators, Heat Pumps, and Coeffi...  

Entropy:
   • Entropy Change For Melting Ice, Heati...  

Heat Engines and Refrigerators Review:
   • Carnot Heat Engines, Efficiency, Refr...  

Physics PDF Worksheets:
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