First Law of Thermodynamics, Basic Introduction - Internal Energy, Heat and Work - Chemistry
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- เผยแพร่เมื่อ 26 ก.ย. 2024
- This chemistry video tutorial provides a basic introduction into the first law of thermodynamics. It shows the relationship between internal energy, heat, and work. It discusses the difference between the system and surroundings and distinguishes an open system from a closed system and an isolated system. In chemistry, work is positive whenever work is done on the system and work is negative whenever work is done by the system. During an exothermic process, heat flows out of the system and it flows into the system during an endothermic process.
First Law of Thermodynamics:
• First Law of Thermodyn...
Thermochemistry Equations:
• Thermochemistry Equati...
Internal Energy, Heat, and Work:
• Internal Energy, Heat,...
Thermochemical Equations:
• Thermochemical Equations
Specific Vs Molar Heat Capacity:
• What Is The Difference...
________________________________
Basic Calorimetry Problems:
• How To Solve Basic Cal...
Final Temperature Calorimetry Problems:
• Final Temperature Calo...
Latent Heat of Fusion & Vaporization:
• Latent Heat of Fusion ...
Coffee Cup Calorimeter:
• Coffee Cup Calorimeter...
More Calorimeter Problems:
• Bomb Calorimeter vs Co...
__________________________________
Specific Heat Capacity Problems:
• Specific Heat Capacity...
Hess Law Problems:
• Hess's Law Problems & ...
More Hess Law Problems:
• Hess Law Chemistry Pro...
Enthalpy of Formation & Heat Combustion:
• Enthalpy of Formation ...
Enthalpy Practice Problems:
• Enthalpy Change of Rea...
__________________________________
Speed of Light, Frequency, & Wavelength:
• Speed of Light, Freque...
Final Exams and Video Playlists:
www.video-tuto...
Full-Length Videos and Worksheets:
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Full-Length Videos & Worksheets: www.patreon.com/MathScienceTutor/collections
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whenever you gain 500, someone else has to loose 500.
*perfectly balanced as all things should be*
Why was that sad for me lol
That isn't actually true. Trading actually "can" and often "does" create new wealth. What I mean is, when trading something you can readily obtain, for something you do not have, nor have the capability of obtaining on your own, both parties generate wealth. For example, if a basket weaver trades with a spear maker, both parties leave with more than what they came in. Don't attempt to quantify by the amount of physical material exchanged, instead, consider the capability of BOTH parties prior to the exchange. The basket weaver can now hunt more efficiently, the spear maker can now gather more efficiently. I know this isn't all that important, but I thought it was something worth mentioning. :)
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Professor Organic Chemistry Tutor, this is a fantastic Introduction to the First Law of Thermodynamics. in AP/General Chemistry . I encountered the Laws of Thermodynamics in the beginning of Engineering Physics II many years ago and I really like this material. Thermodynamics is an important subject for students majoring in Mechanical Engineering. This is an error free video/lecture on TH-cam TV with the Organic Chemistry Tutor.
Hello student who's here 1 night before their test.
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One week before the quiz :(
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A college professor seeking to liven up his course had the following extra credit question an an exam.
"Is Hell exothermic or endothermic? Provide sound evidence to support your answer."
One of his students submitted the following answer. He started by providing all the reasons that would support both an exothermic Hell and an endothermic Hell. After several paragraphs of this he got to the main evidence and its implication. Here is his analysis.
When I asked the pretty coed in the dorm room across the hall if she would sleep with me, she said she would sleep with me "the day Hell freezes over." She has not slept with me which means Hell has not frozen over and therefore must be endothermic. He received full credit.
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i have a question to raise pls notice ---- is the heat sign (positive or negative) also varies depending on what perspective we are looking at.. ??
i mean let's say the heat comes from the environment to the system-----
perspective of the system:
the system gain heat energy from the environment, thus the heat is positive
perspective of the environment:
the environment transfers heat energy (energy loss from the environment), thus the heat is negative
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