Thermodynamics, PV Diagrams, Internal Energy, Heat, Work, Isothermal, Adiabatic, Isobaric, Physics
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- เผยแพร่เมื่อ 3 ต.ค. 2024
- 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.
Full-Length Math & Science Videos:
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Open Vs Closed Vs Isolated System:
• Open System, Closed Sy...
First Law of Thermodynamics:
• First Law of Thermodyn...
Isobaric Process:
• Isobaric Process Therm...
Isochoric Process:
• Isochoric Process Ther...
Isothermal Process:
• Isothermal process The...
Internal Energy of an Ideal Gas:
• Internal Energy of an ...
_________________________
Adiabatic Process:
• Adiabatic Process - Wo...
PV Diagrams:
• PV Diagrams, How To Ca...
2nd Law of Thermodynamics:
• Second Law of Thermody...
Heat Engines:
• Heat Engines, Thermal ...
Converting Heat Into Electricity:
• Thermodynamics - Conve...
________________________
Carnot Cycle:
• Carnot Cycle & Heat En...
Otto Cycle:
• Otto Cycle of Internal...
Refrigerators and Heat Pumps:
• Refrigerators, Heat Pu...
Entropy:
• Entropy Change For Mel...
Heat Engines and Refrigerators Review:
• Carnot Heat Engines, E...
Physics 1 Review:
www.video-tuto...
Chemistry Review:
www.video-tuto...
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
Final Exams and Video Playlists: www.video-tutor.net/
Full-Length Videos & Worksheets: www.patreon.com/MathScienceTutor/collections
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52:55 - Problem
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Going into Aerospace Engineering next year, so I'm getting a headstart on thermodynamics which is supposed to be one of the more complicated modules.
Cheers for the video mate.
Same with me, but I'm taking Chemical Engineering. Good luck!!
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How did it go?
@@Bbbbbbbbbbhhhhhhh Basically, stick to your studies and a regular schedule, you'll be fine.
I won't sugar coat it, unless you're massively passionate about the engineering subject you're going into, then you're not going to get the typical "best years of your life" student experience. While I enjoy the aerospace sector 100%, boiling it down to numbers gets old very fast. On the surface, it's very interesting, but when it gets to the numbers, you're nearly guaranteed to find at least 50%+ of it a pain in the arse.
Most engineers end up in a very specific section of their industry, and universities can't just show you that very specific part you may end up doing. So instead you'll of course cover a wide array of topics and you'll find a good amount of it a ballache.
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Valid for both physics and physical chemistry. Thank you so much
I think for P chem the signs are all just switched because work done on the system would be positive for pchem
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That’s oddly specific
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I really needed to do a revision of thermodynamics without opening any textbook and truly, this helped a great deal. But please if I can make a request, can I get a document containing all the questions solved in this video? It would be really helpful if that is available for practise. Thank you.
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4 years ago, I first started my thermodynamics lesson with this video. After 4 years still starting thermodynamics again with this one❤️.. Grateful to The Organic Chemistry Tutor, he truly shaped my basics❤️❤️
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Wow this is so helpful , This topic is becoming more clear for me.
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I see people here ranting saying thanks and stuff..: but I’m just 12 looking for more knowledge. Thanks for being able to explain thermodynamics to a twelve year old. I appreciate you quenching my thirst for knowledge! Many thanks again.
DaKota Coffman instead of quenching your thirst for knowledge focus on enjoying not being forced to understand this or fail the finals
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Hey man,
What an awesome video you created here. Loved it and it got me through the the end of the video. I noticed tho that at 3:00:13 you write that V1/V0=P1/P0. This should be V1/V0=P0/P1. I hope that this helps. Have a great day and thanks alot for the video!
i got that too
I'm gonna cry, with this virtual classes I'm feeling like I don't learning anything, and God you are a blessing, thank you so much
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10 min in and he's already explained more than my professor has all quarter...
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Thank you.
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glad to see this vid before school starts again
We really appreciate this 3hr long video,Sir. 👍👍 At 3:00:24 there is a slight mistake, it should be P_o by P_f instead of P_f by P_o.
Ive been using your videos through college and you have helped me get through everything. thank you
This video is excellent. Thank you. When explaining the Isothermal Process at 2:59:50 you state that W=nRTln[Vf/Vo) and W=nRTln[Pf/Po] is that a mistake? W=nRTln[Po/Pf]
No
yes
@@chiomauzor5104 incorrect, he made an error
In isothermal processes, W= nRTln(Vo/Vf) or W= -nRTln(Vf/Vo).
u are the best tutor ever I've seen
You have used old equation of internal energy i.e dE=q-w but as per IUPAC the new equation has been changed i.e. dE=q+w. Due to this the sign convention of work will change i.e. work done BY the system is taken as NEGATIVE and ON the system is POSITIVE.#Thank you😊
So are his calculations for work incorrect?
No they are correct.
Okay. Thank you
Welcome
You would be correct if this was chemistry. However, in physics we take the POV of the surroundings which means dE=q-w. Confusing I know, but correct he is. In physics W="+" when work is done by the system. In chemistry it is the opposite because the POV is reverse.
i am watching and taking notes in the middle of the semester and gotta say it is food to understand for me. Thank you so much i am so happy
Just one thing, if you could make the volume on your videos higher that would be nice, because I have to crank up the volume all the way to hear your voice, then a loud add quickly comes on and destroys my ears. But other than that I'm a huge fan
Charles Wolfe the thing is if he increased the volume the temperature will also increase, which is quite inconvenient
@@truckchuckschumer5375 lol
I have my final exam for Thermo on Monday this video is coming in extremely clutch.
Isn't work done by a system negative? (In Question 1) I think he said it to be in par with the equation (which is actually, U = Q + W, not U = Q - W)
That is exactly what I was thinking. That part does not match my notes and a quick google search says my notes are right so I don't know...
in physics U=Q-W , in chemistry U=Q+W (Thermodynamics is a physic lesson so we use U=Q-W)
It depends on the reference being the environment or the thermodynamic system.
I will never be able to thank you enough 🙏🏼🙏🏼🙏🏼
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I have a Thermodynamics exam in four days. I hope this video helps me pass.
I'll update you guys on how it went.
How was it?
@@DuckletShwag he did horrible
Tbh I always search for your videos very educative ☺️helped me alot