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

[@TheOrganicChemistryTutor]

Final Exams and Video Playlists: www.video-tutor.net/

[@marcuszinke2808]

man went crazy with the analogies

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and good thing he did because is had no clue what my professor was talking about

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Try this video ... kzbin.info/www/bejne/j164d4Ckqr-hpJo

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So that a guy like me can understand

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Fr

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2nd year engineering?😂😂 all of this is taught in 11th grade in india

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Force feed and regurgitate :(

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Are you from India?

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Specifically in the online learning days. You are being fed the science not taught

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Indain Spotted

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oh, this why my life is falling apart.

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Dead😂💀

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[@Minez1212]

It's just the way of the universe my good sir. Nothing to do with you

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The entropy of our education system is increasing but you are trying to control that! Thank you Professor!! Respect from India!!❤️ Whole world is one family!!

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1:40 you basically gotta put in the work, put in the hours and take whats ours.

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Such a clear explanation, thank you!

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I can't explain how much you have helped me and my classmates...my professor should send you his salary

[@puzzlehead340]

Thanks so much! You explain so clearly. The analogies help me understand the topic better :)

[@nassimaissaoui2177]

that's what I call teaching.

[@southside.pharmacist5155]

taking a more philisophical approach to this concept here, but it seems like this can be applied to our everyday lives as well! As you notice things start to fall apart around you, you must put in the ENERGY and WORK in order to reverse these processes...very interesting

[@saltedcarameldream1352]

I wish my professor explained things this clear!! Thank you.

[@KairelEdwards]

Ohhhh that’s why back of the fridge is so hot!

[@IBA01]

Kairel Edwards I guess

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Don't open the door

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Put bra back

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[@Empress426]

Great examples that you for making this concept clear.

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he just summarise my 2 week worth of lesson in 4 minutes

[@SG-dw8jh]

Now, this video destroys Atheism entirely. 🤣 "There's no order out of disorder." -The greatest tutor of all time

[@flat-earther]

haha. BTW SG-, have you become a flat earther yet?

[@gooddeedsleadto7499]

Can heat flow from dry ice to ice because of the temperature difference between the cold and colder body? Can we run the Sterling engine by using ice as the source of heat and dry ice as the sink?

[@cdmarshall7448]

Heat is the difference between temperature, the change in internal energy isn't heat. LOT makes it perfectly clear Energy, Heat and Temperature although closely related are not the exact same thing. I'm hoping you learned this already in the last 5 years but your never know? >“Heat is defined as the form of energy that is transferred across a boundary by virtue of a temperature difference or temperature gradient. Implied in this definition is the very important fact that a body never contains heat, but that heat is identified as heat only as it crosses the boundary. Thus, heat is a transient phenomenon." -Thermodynamics, G. J. V. Wylen, John Wiley & Sons, 1960

[@S1yaboo]

Literally my chem 11th teach couldn't explain this shit she makes it seem like astronomical calculations but its really not that deep 😐 thanks man 😭

[@bitaprajthakuria6033]

So here does the change in entropy means change in total entropy of the universe is positive during movement of heat from hot to cold

[@nerdy8644]

You never said the entropy of the universe tends to a maximum. How can you forget that?

[@Pygapascoe160]

Very well explained. Thank you🙏

[@nyamekyecitizen9717]

Please which law determines whether a reaction is spontaneous

[@ccr3825]

I owe you everything fr

[@callejondorado]

a) Isn't it similar to say that the system naturally tends to a go to a state of equilibrium?, but that is predictable which is the opposite of saying that entropy=unpredictability.

[@ankitsethi626]

I have the same doubt.. it is natural for a system to reach equilibrium which is in order rather than disorder

[@jeraldlerida5840]

so when you open a door from an airconditioned room, is the cold leaves/moves out or is it the heat comes in?

[@gomerpyle6113]

Heat flows from high to low temp

[@touchme-sama9759]

Heat from outdoor comes in

[@samwweir111]

Which is why we always want our doors closed during the summer so we don't let the room get warm again

[@andrewmcmillan484]

Another example would be how your cooling system works on a car, or the air conditioning system works on your car.

[@alimumtazR]

In this case cold bulk of air leaves the room through convection but here conduction is being discussed so yeah there's that... :)

[@goldenladle7251]

So in other words evolution violates the law of entropy. Same with space, it is impossible to have a pressurized system adjacent to a vacuum.

[@ranahisham5850]

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[@tasogare0x]

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[@neharay2678]

What refers to ∆S ??

[@andrewsalmeron2583]

Hami creation the change in entropy

[@stellaeve9314]

Change in entropy

[@reemhraez5633]

Thanks a lot I really liked your simple examples

[@flat-earther]

hi reemhraez, have you become a flat earther yet?

[@gooddeedsleadto7499]

Is entropy change positive between the evaporator and condenser?

[@prakrutipratyasha9892]

Thank you 👍😊

[@lovelysisters7892]

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[@wavyks2159]

great analogy!

[@cloudwalker2730]

How does the ball flow?

[@tiagolince1262]

magic

[@conditionalbee9603]

Quantum tunneling

[@glennpatatag2991]

What happened to the pan? Is it spontaneous or not?

[@esraa7979]

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[@fatemehjoghataei3618]

You are excellent.

[@vaishnavisingh4882]

Is this entropy of system plus surrounding or just the entropy of system

[@tulyamgohain7217]

Thank you very much sir

[@pandzban4533]

II Law of Thermodynamics refers to everything and is absolutely the most important law in physics. It fact it is Newton's Laws of Motion as it is kinetic motion of molecules. The very basic one will be vibration. If we sink into atomic level we can even say to electromagnetic field of electron shells because this the only space of contact. Proven in every possible way. Nevertheless, the modern accepted astrophysics is so wrong with this law. Quantum physics also can't handle this law correctly. But at our human scale this law is so damn horribly true at every instance.

[@VenuGopal-js1qu]

thanks a ton sir!

[@ocean8784]

Considering infinite past time. Why 100% entropy still not achieved ?

[@unluckyme213]

but aren't hot stuff more disorder than cold stuff on the molecular and atomic level? or am i missing something

[@aliaxx]

Here's what you're missing (probably) Hot substances have definitely more molecular motion and appear more "disordered" than cold substances, however, it's true that entropy is about increasing disorder in a system but it is also about how energy is SPREAD in the entire system. So, when heat flows from a hot object to a cold object, the overall spread of energy between the two objects becomes more even, meaning the energy is more widely dispersed across the entire system. This greater dispersal of energy increases the total energy of the system, so entropy focuses on the combined state of the whole system. Here's two examples of gas molecules in a box to illustrate my point: 1. All molecules in one corner: Imagine all the gas molecules clumped together in one corner of the box. The energy here is "concentrated" because all the particals are in one small area and there aren't many ways we can arrange them, thus the entropy is lower. 2. Molecules spread throughout the box: Now, if we let the molecules move freely they will eventually spread out to fill the whole box. Energy is now spread across a much larger space. And there are many more ways to arrange the molecules when they're separated from each other around the box; because each molecules has more option where it can go, giving us more possible arrangements and hence higher entropy. "why entropy increases with energy spread?" when energy spreads out in a system, it can be arranged in many possible ways. This increase in possible arrangements is what makes entropy go up. So, it's not just about how things are disordered; rather it's about having more options for where the energy go. More arrangements=Higher entropy answering to your question, hot objects do have energetic molecules that move around, but spreading that energy out to other cooler objects allows for more arrangements in the entire system, increasing entropy. IN SHORT: The second law of thermodynamics says that a natural, spontaneous process, the total entropy of a system tends to increase. Which means, simply, processes that tend to go in a direction that spreads energy out more and increases the number of possible arrangements the entropy will also increase. hope you got the whole idea and it makes things clearer now :)

[@zefSF]

I don’t understand. A hot state seems to have higher entropy than a cold state. Going from hot to cold seems to decrease entropy.

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[@daraquesca1886]

1:24

[@jiemalboy]

If the entropy of the universe is always increasing how did evolution defy the second law of entropy?

[@adamhanzlik8650]

Its important to realise that the law applies to isolated systems. Evolution did not defy the law, as it was only able to achieve what it did with the help of a constant source of energy in the form of our Sun. If you look at our Solar System as a whole, you will see how the 2nd law of thermodynamics applies.

[@flat-earther]

@@adamhanzlik8650 if there is a vacuum between earth and sun how can the sun's heat each rearth since vacuums don't transfer heat?

[@sunbeam9222]

Entropy is not increasing. It only does from human perception

[@sophiaonyoutube]

thank you!

[@sds3841]

If u have an endothermic reaction (delta H is positive) like H2 + I2 --> 2HI can you say whether the entropy rises or decreases and whether the reaction could be spontaneous?

[@MiKi-ki9fi]

The more concentrated molecule the less entropy. So the equation that you gave has less entropy. And also the reaction is spontaneous because normaly elements binds without energy input. ( as i guess)

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[@kimdavidgomez4894]

2:39

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What about life creating life

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[@utilizator1701]

I like real life examples.

[@flat-earther]

hi utilizator, have you become a flat earther yet?

[@utilizator1701]

@@flat-earther I do not understand what are you talking about.

[@flat-earther]

@@utilizator1701 utilizator well we were all lied to when we were taught that the earth is a ball flying in a vacuum

[@utilizator1701]

@@flat-eartherTrue. Maybe this is why entropy is not taught/ explained in school like in the video. Its premature to derive life conclusion from it.

[@burtpanzer]

So, what are the odds that a structure during progressive collapse could maintain a level floor by floor failure of each and every structurally sound floor below?

[@flat-earther]

if you use thermate on every structural column and accurately detonate the charges with millisecond synchronization the odds may be very good

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Naturally

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Greater than zero implies astrophysical and natural science etc. So youve included in a closed state all time and universe

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Natural? Systems tending science

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Why a interject an implicated mead for a. Reverse process? In a talk of physics that attempts to exclude the nature? And god

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Astrophysics is order

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Ugh! Very strained explanation! Good try. Missed the mark

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I made this video so even Al Gore could understand ... kzbin.info/www/bejne/j164d4Ckqr-hpJo

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Some focus on the moon others on the finger pointing at the moon 😅

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