This physics video tutorial explains the concept of the first law of thermodynamics. It shows you how to solve problems associated with PV diagrams, internal energy, heat, and work. It addition, it provides plenty of examples and practice problems associated with isothermal, isochoric or isovolumetric, isobaric, and adiabatic processes.

Here is a list of topics:

1. First Law of Thermodynamics - Energy Transfer

2. Internal Energy, Heat, and Mechanical Work

3. System vs Surroundings

4. Sign Conventions for Q, Heat Absorbed vs Heat Energy Released

5. Work done on the system vs work done by the system

6. Positive Work - Gas Expansion vs Negative Work - Compression

7. Open System, Closed System and Isolated System

8. Isobaric Process - Constant Pressure

9. Work Done at Constant Pressure Formula / Equation

10. Units of Pressure - Converting atm to Pa

11. Units of Volume - m^3 and L conversion

12. Converting L and atm into Joules

13. PV Diagrams - Work Done = Area Under the Curve or Area of the Shaded Region

14. Cyclic Process, Q=W, Work is Positive for Clockwise Rotation and Negative for Counter Clockwise Direction

15. Ideal Gas Law, PV=nRT

16. Charles Law - Temperature and Volume Relationship

17. Converting Celsius to Kelvin Temperature

18. Heat Transferred During Isobaric Process Formula

19. Isochoric Process - Work Done is Zero

20. Isovolumetric Process - Constant Volume, Internal Energy, and Heat Transferred Equation

21. Thermodynamics Formula Sheet Summary

22. Molar Heat Capacity at Constant Pressure and Constant Volume

23. Monatomic Gases - He, Ne, and Ar - Helium, Neon, and Argon

24. Diatomic Gases - N2, O2, and H2

25. Cv and Cp values for ideal monatomic, diatomic and polyatomic gases

26. Gamma Ratio, Cp/Cv formula

27. Isochoric Process - Pressure and Temperature Formula

28. Combined Gas Law Equation

29. Isothermal Process - Constant Temperature

30. Work Done During an Isothermal Process - Natural Logarithms Derivation - Area under Curve

31. Boyle's Law - Pressure and Volume Relationship

32. Adiabatic Process - No Heat Transferred - Q=0

33. Adiabatic Expansion - Cooling Effect of an Ideal Gas

34. Adiabatic Compression - Increase in Temperature - No spark plugs needed in an internal combustion engine of this type

35. Work, Pressure, Volume and integration Formula, Calculus - Isothermal Process

36. Pressure and Volume Formula With Gamma Ratio

37. Temperature and Volume Equation With Gamma Ratio - Adiabatic Process

38. Internal Energy - State Function - Independent of Path

39. Work and Heat - Not a State Function, Path Dependent

40. PV diagram problems, work, heat, and internal energy calculations

Tagged under: thermodynamics,pv diagrams,internal energy,heat,isothermal,isochoric,adiabatic,work,isobaric,system,surroundings,state function,molar heat capacity,constant pressure,temperature,constant volume,gamma ratio,adiabatic expansion,adiabatic compression,monatomic gas,ideal gas,diatomic gas,ideal gas law,mechanical work,isolated system,closed system,open system,physics,expansion,compression,boyle' law,charles law,clockwise,counter clockwise

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