If you would like a more comprehensive explanation of these laws, go to my classical physics playlist! Clips 28-31 cover the four laws, one law per video, and they are much more in depth than what is mentioned here!
Energy can flow from a colder object to a hotter one. Its just that the total energy transfer is to the colder one, hence the hotter one looses thermal energy and the cooler one gains thermal energy. But even if there both at the same temperature,but under different pressures, then there can still be a transfer of heat energy making one get colder and the other hotter even if they both initially have the same temperature, as of the heat intensity.
I teach both high school physics and chemistry. In the unit of heat, both of these classes overlap quite a bit. It was hard to find a good video explaining the laws of thermodynamics and entropy. I like KHAN, but they are too long. Others are too abstract or goofy. This gets to the point quickly as you speak very clearly and with conciseness. Any high school science student would find these clips good to watch.
agreed. much more concise than the sometimes bumbling khan. but loosen up a bit. the only part that didn't seem like you were reading a script was the last part where you said to send you an email.
Akashascosset Yeah exactly, not that I don't absolutely love Professor Dave's videos but like in Crash Course they tell a few jokes related to the subject, stuff like that that makes it seem more personal and friendly. Though his presidential parody video is quite funny, and I like the tattoo on his right arm :D
That’s about 50% true. Entropy increases with the input of energy. If you input energy to keep your room messy you could consider that to be increasing the change in the entropy of the surroundings. You could also increase entropy by dividing your room up into little sections that would create more cells, or you could also increase entropy by increasing the size and shape of your clothes and making them more complex to allow for more micro states. The possibilities are endless.
I'm a homeschooled sophomore. I watched this in seventh grade and took notes throughout. When it got to the question at the end, I actually got the right answer--without a calculator! It was explained so clearly and with such clever analogies. I'm watching it again just for fun! Thanks so much for this, Professor Dave! It answers a lot of questions for me and helps me understand much more about the way the universe works.
Up to 5 min, I felt that I have learnt more than watching previously 50min of college chemistry teaching videos. Very concise and informative! Thank you!
• Second law: • A closed system naturally moves toward equilibrium. • Heat transfers naturally from Hot to Cold course. • The entropy of a close system always increases (irreversible process).
I feel it was useless to attend school, I am a Ph.D. student now and I feel Homeschooling following these videos could have been a better option, Thanks, sir:). Amazing explanation, I get to take some lectures and I am totally transferring your knowledge that I get here
Now I found out the true reason why my room is always messy. That's because of the entropy of the universe. My mom misunderstood me all the times "son, you're to lazy to clean up your room"
@@qaz-fi1id Don’t you mean entropy happens when you put mote energy into a system? If you add energy to a system it would then be considered non spontaneous. The more energy you put into the system the more disorder you create and you increase entropy.
Excellent explanation. I am no longer into studying physics but as someone with a background in science i still enjoy watching these videos explaining the concepts of physics which might usually be difficult for students.
I've been having trouble understanding entropy for a long time. Your interpretation of entropy as a "dispersal or energy" really stuck with me. Thank you.
Iam a malayali..l saw someny videos of others..but I can't understood thermodynamics..But from this I got everything Professor Dave ,now lam a big fan of u...thanks sir.. it's very nice👌👌 Keep going
This is the first time for me to understand gibbs free energy actually i watched so many videos before i watch you but i did not understand thanks alot ( you're the one :) )
Do you think it is possible that previous videos have helped in gaining some understanding before seeing this and feeling like 'wala, i get it now'. Is there a possibility that if you hadn't seen previous videos and saw this 1st you would understand it 1st time round? My questions are our of curiosity, notging personal to anyone
Studied Chemical Engineering a while back and having a bit of a refresher on the basic principles. Really great job in explaining the abstract, which can take so long to understand. Learning 'what' and 'why' is so often conceded in favor of 'how' and 'when'. And yet it can be explained in 5 minutes.
Thank you very much, Professor Dave! Your analogies and explanations with regard to the Enthalpy and Entropy relationship were crystal clear. It truly shows that someone understands a topic by being able to break it down as if you were explaining it to a 5th grader.
Im doing a PhD in electrochemistry and working with high entropy alloys and oxides as electrocatalysts for energy conversion systems. This video is so comprehensive.
Prof. David, thanks so much! I took chemical engineering thermodynamics course two years ago and I never understood the concepts. Now that I am preparing to enter the world of work, I thought I had to understand these things as they are part of the most fundamental concepts a chemical engineer should know. I should have watched this video last two years! I'm very grateful.
Thanks Professor Dave , as always . Today is Teachers Day here in my country India A very Very Happy teachers day ! keep making videos and educating all! (Out of topic) - Do you like Breaking Bad? :P
I m also from india .. professor dave sir advanced teachers day wishes to you..2019 September 5.. I m continuously watching your classes thank you so much sir for interesting explains.
I'm scrolling your video about fundamental of chemistry, I learned to recall my memories about it. I'm struggling to recall my first-second semester memories through my notes but I found out it really takes time. Prof Dave's simple explanation helps me a lot. Thanks!
Many teachers should take examples on your video to introduce these abstract notions of thermodynamics. Your explanations are very clear and concise. Your pedagogy is perfect. Thank you so much .
This is amazing. Ty Professor Dave. My concept of 'time' since I was a child is now just a theory for me and I use enthalpy and entrapy every moment of life to govern my decisions. I have since had a low stress life.
And the explanation about the soap, I represented my high school in a prestigious national science and maths quiz competition about 5 years ago and it was one of our questions. Really great explanation.
@@MohitYadav-ks3hh entropy is a concept. I'm not a physicist so this is only my basic notion of entropy: Things go from state of high to low order in time. You need energy to create higher order and when the energy supply stops, things go into less order. An example: you need energy to build a castle. You put brick onto brick, cement between bricks and so on. The castle is the high order. When you just let time pass, the castle will eventually become a ruin. The ruin is of lower order than the castle. You didn't invest energy to maintain the castle. Entropy is everywhere in nature. You have to eat (food =energy) so your cells keep working. If you stop eating, you will die. What I mean by "I fight it daily" is: every day you have to work hard to keep things going and not falling apart, e.g. keeping your room in order because it takes energy to put everything back into place from where you took it; meeting friends because when you don't invest in friendships, they will fade ;)
The micelle explanation for the way systems can seemingly defy the 2nd law of thermo is really good, if not cuz I honestly didn't know how soap really worked until now.
Interesting to have the hills in the background. Spontaneity, as I understand it, can be thought of as a ball on a wavy terrain (we can just use a squiggly line) during an earthquake. On this wavy terrain, there are a few valleys, separated by hills. These valleys represent the different things our ball can do, just by occupying one of those valleys. Some of the valleys are higher than others. It can be easy to imagine that the ball might find its way from a higher valley to a lower one, but only if the ground is shaking enough that the ball can overcome the hill that separates them. Then the ball will most likely be moving faster than before, since overall it has rolled downhill. In many cases, this added kinetic energy can represent heat (since that's what heat is anyway). Similarly, the ball can actually go from a lower valley to a higher one, again if the ground is shaking enough. But if the ball goes in that direction, it will slow down. There's some funky interplay between the speed of the ball and the magnitude of the earthquake, since both of these essentially represent heat. That's where analogy breaks down a little.
A non-mathematical presentation of the Laws of Thermodynamics: The Zeroth Law: There is a game. The First Law: You cannot win the game. The Second Law: You cannot break even. The Third Law: Tells you how much you will lose.
Wow really easy to understand until you hit the equations! I am a freshman in high school and ,y engineering teacher went over Thermodynamics in class but not really giving Greshman a chance and instead resorted into asking the seniors. I decided that I should look into this knowing I like science a lot. You helped me out a lot to understand entropy and how it works. Now my teacher will be even more pleased that I'm taking his course into my own personal life and learning and comprehending everything. Thank you for the good explanation! You saved me a lot of time 👍🏻
+Professor Dave Explains liked the video, how ever I found the "programming analogy" @2:10 a bit "odd" as I have read/heard the "diametrically opposite" being argued. I suspect this difference might depend on what "scale" You are observing/describing the "phenomenon" at. So in Your case You are describing it on a rather "high (macro) level", and only demanding a "general description" of the "state". How ever if You were to look at it at the "micro level", where You have to describe the position (and possibly momentum) of every atom, the liquid would be "harder to describe" and demand vastly more "code". And if I'm not mistaken (which happens ;) when talking about information theory the more random a file is the higher the entropy is considered, and the harder it is to describe it in a "shorter form" i.e. to compress it. And hence it's harder to ((losslessly)) compress a picture of a given size if it contains white noise than if it depicts a chequerboard ((or any other regular pattern)). I thought it might be usefull to know that this "alternative explanatory analogy"exists, especially since it's so "different". Just my 5c's. Keep up the good work Best regard
it's true, i've heard quite a bit of opposition to the analogy, and am beginning to regret including it. it seemed valid, of course strictly as an analogy and not a literal description of entropy, and a way to help students rationalize the dispersal of matter and energy tending to be spontaneous, but it may be creating some confusion as well. at any rate next week i am releasing new tutorials on the laws of thermodynamics that are much more comprehensive than this one so i would love to hear what you think about those! particularly the second law.
+Professor Dave Explains Ok, it wasn't meant as a critique, rather just a "heads up" in case You weren't familiar with it. As I have only heard and read it used in the context of "information theory" and it was quite a long time ago I thought it might have "gone out of style" or maybe was isolated to use in that specific field/context. But You seem to be both familiar with and on top of it :) And though I don't think I'm generally competent to giving critique on these topics, I will "send a comment" if I think I have something constructive to contribute after viewing Your other videos. Good luck with Your future work, here and elsewhere. Best regards.
In many ways this is a great video to put more simply some of these ideas. I disagree with the idea of entropy as disorder and a Google search of "entropy is not a disorder" should pull up many reputable more academic sites easily. However, for the majority of students who need help for test taking reasons or other degree requirements and don't really mind not having a full understanding for their field of interest overall, this is actually really good. Some of ways you can define entropy and disorder are even almost a 180 apart so just be careful it doesn't influence deeper understanding for you.
Sorry, a late comment. I am a big fan of you. This is perhaps the best under 10 minute lecture of Intro to Thermodynamics I have seen. Very few people can explain a very difficult subject as clearly as this! I would give this a big 10 thumbs up if I could.
I've never been a fan of describing entropy as disorder. The best example that I've seen on that topic is that when Ice melts into water, the water looks more orderly, but it has a higher entropy.
Ice is objectively more orderly. It has an ordered lattice structure. Liquids do not. The particles move about at random. I agree that disorder is not the best word, one must discuss microstates, as I do in my tutorial on the second law of thermodynamics in my classical physics series. But it's a reasonable way to describe it, and the best way to introduce the subject to a high school chemistry student.
This really helped me better understand conceptually how Gibbs free energy relates to spinoidal decomposition and thermodynamics in general, thank you.
Thank you professor Dave, your teachings on thermodynamics and Gibb's free energy was superb. I expect your more updates on physical and organic chemistry.
Correction: "Energy can't be created or destroyed(by human power or any power *within* the universe). But it doesn't mean that energy can not be created or destroyed. Cuz it's just like making internal force in a closed system. You can't go forward by pushing steering wheel from the inside but car can be moved by an external force.
If you would like a more comprehensive explanation of these laws, go to my classical physics playlist! Clips 28-31 cover the four laws, one law per video, and they are much more in depth than what is mentioned here!
You're a rad professor. Keep it up
Thanks!
Professor Dave Explains GOD BLESS YOU
You look like JESUS
Energy can flow from a colder object to a hotter one. Its just that the total energy transfer is to the colder one, hence the hotter one looses thermal energy and the cooler one gains thermal energy. But even if there both at the same temperature,but under different pressures, then there can still be a transfer of heat energy making one get colder and the other hotter even if they both initially have the same temperature, as of the heat intensity.
I teach both high school physics and chemistry. In the unit of heat, both of these classes overlap quite a bit. It was hard to find a good video explaining the laws of thermodynamics and entropy. I like KHAN, but they are too long. Others are too abstract or goofy. This gets to the point quickly as you speak very clearly and with conciseness. Any high school science student would find these clips good to watch.
+Scott DeMunnik nothing makes me happier than my content going to good use in the classroom!
agreed. much more concise than the sometimes bumbling khan. but loosen up a bit. the only part that didn't seem like you were reading a script was the last part where you said to send you an email.
Akashascosset Yeah exactly, not that I don't absolutely love Professor Dave's videos but like in Crash Course they tell a few jokes related to the subject, stuff like that that makes it seem more personal and friendly.
Though his presidential parody video is quite funny, and I like the tattoo on his right arm :D
Akashascosset Well you can kindly shut your mouth. Jokes are for the weak. Straight to the point lectures are perfect for students who look these up.
idiot
This man saved me from failing my high school. I'm graduating with Physics honours next month. Thanks Dave ♡
Wow…,Congrats Sir
This isn't enough boi 🥲🥲
high school? im using this in university
@@marnick4229in India the syllabus is tough.We get to learn ochem,thermodynamics, inorganic at young age also calculus at age of 15
@@nothing_tosee936that's crazy!!!
Although, I bet you'd still have a hard time in western world on the college level
Never thought I'd be taught the Laws of Thermodynamics by the Jesus himself, but I'm going to take it
I- 😭😭😭
😂
😂😂😂
But Jesus is known to be black and not white!
Lmaooo 🤣🤣🛐🙏🏼
Dave: There is a layer of math beneath the intuitiveness
Me: *holds breath*
Dave: ..we won't get into the math
oh thank christ
welp he is christ
😂😂😂
Professor Dave, I always enjoy watch your CZcams videos and admire you for working so hard to educate others. Big Thanks!
ok sir
at first you might not like the opening but after a couple of professor dave explains videos you'll be singing along no doubt
😂😂😹
I'm the living proof.
Yeah I always sing it😂😂
What?! I fell in love with that intro when I first saw that...
@@shreevatsak343 yes I too always sing the song
Absolutely
Mom: why is ur room so untidy??
Me: it's entropy broo
*slipper flies across room*
Just wanted to tell you that yes, your profile pic worked. I blew on my screen. Now I'm laughing. You got one lol
@@terrancemckenna5302 for me I see the circle is white but the background of comments is a tiny bit grey
That’s about 50% true. Entropy increases with the input of energy. If you input energy to keep your room messy you could consider that to be increasing the change in the entropy of the surroundings. You could also increase entropy by dividing your room up into little sections that would create more cells, or you could also increase entropy by increasing the size and shape of your clothes and making them more complex to allow for more micro states. The possibilities are endless.
@@alecthomas7408 bruh
@@terrancemckenna5302 Nice username. Love spotting a Terrance fan in the wild
I will never look at hand soap the same way again. Your videos are all very informative.
same
Dear Angela Elizando , do you know how difficult is actually to produce a soap ?
Angela Elizando I haven't for the past 15 years either...
@@sakadabara Not too hard. Humans have been mixing ash with animal fat for a very long time.
Uncomfortable Truth there was a long way from ash ‘n’ grease to Fairy the Dishwash liquid
I'm a homeschooled sophomore. I watched this in seventh grade and took notes throughout. When it got to the question at the end, I actually got the right answer--without a calculator! It was explained so clearly and with such clever analogies. I'm watching it again just for fun! Thanks so much for this, Professor Dave! It answers a lot of questions for me and helps me understand much more about the way the universe works.
I am in first year of university studying chemical engineering and this video put the complex concepts very simply. Thank you!
Chemical engineering 🙌 - rare species...Me final yr
@@Alex_R97 bro mee too but i m. newbie.. could u guys suggest anyway to learn the chemistry from. basics stuffs
What University are you studying at?
Me too a Chemical Engineer.
Im a Graduate Chemical Engineer
Im not a college graduate i was in the military but i still find what your saying so fascinating... i want to learn.
Dont give up on me
Never give up
dont give up
Up to 5 min, I felt that I have learnt more than watching previously 50min of college chemistry teaching videos. Very concise and informative! Thank you!
Is college then a scam?
That was scary
I almost understood entropy😳
Me too 😢😢
• Second law:
• A closed system naturally moves toward equilibrium.
• Heat transfers naturally from Hot to Cold course.
• The entropy of a close system always increases (irreversible
process).
It's the measure of energy dispersion. So entropy would increase if water went from a solid to a liquid because there's more "microstates".
You'll be even more scared if you'd watch Steve Mould's description of Entropy hahah. Do check it out bud!
Entropy is the measure of randomness,in simple terms it's the measure of random movement,e.g universe expanding
This video was great! You're awesome at explaining the science stuff :)
thanks kindly! you've got a knack for it as well :)
thank you! means a lot :)
You both are great!!!! Thanks a lot for the cool videos!!!!
Tnx🙏
You both look like you could be related lol
I feel it was useless to attend school, I am a Ph.D. student now and I feel Homeschooling following these videos could have been a better option, Thanks, sir:). Amazing explanation, I get to take some lectures and I am totally transferring your knowledge that I get here
Now I found out the true reason why my room is always messy. That's because of the entropy of the universe. My mom misunderstood me all the times "son, you're to lazy to clean up your room"
Heroes overcome entropy!
Or artists can celebrate it for what it is:
czcams.com/video/uv04ewpiqSc/video.html
Entropy happens unless energy is put into the disorder so she was right
@@qaz-fi1id Don’t you mean entropy happens when you put mote energy into a system? If you add energy to a system it would then be considered non spontaneous. The more energy you put into the system the more disorder you create and you increase entropy.
@@BudMartin03 He needs to put energy into displacing objects. He needs to do work.
Excellent explanation. I am no longer into studying physics but as someone with a background in science i still enjoy watching these videos explaining the concepts of physics which might usually be difficult for students.
Thank you for explaining things clearly and making it easy to understand! I really appreciate your time and effort Prof!
thanks for watching!
I've been having trouble understanding entropy for a long time. Your interpretation of entropy as a "dispersal or energy" really stuck with me. Thank you.
The explanation was so good that I could explain all the stuff to my friends clearly
When he described soap I was like what the fuck the what.
Hi Dave- Micellization is actually (usually) an entropy-driven process. The reason is the destructuring of water molecules upon micellization.
hey can u please help...micelle formation should be DeltaS positive and endothermic process right??? i am so confused it was in my engineering paper
Iam a malayali..l saw someny videos of others..but I can't understood thermodynamics..But from this I got everything
Professor Dave ,now lam a big fan of u...thanks sir.. it's very nice👌👌
Keep going
Beautifully explained! Definitely nice when you can understand how all the variables work together. Thanks!
I love Professor Dave now. The man does his homework, and explains things so beautifully clear and concise. Respect
This is the first time for me to understand gibbs free energy actually i watched so many videos before i watch you but i did not understand thanks alot ( you're the one :) )
Do you think it is possible that previous videos have helped in gaining some understanding before seeing this and feeling like 'wala, i get it now'. Is there a possibility that if you hadn't seen previous videos and saw this 1st you would understand it 1st time round? My questions are our of curiosity, notging personal to anyone
Studied Chemical Engineering a while back and having a bit of a refresher on the basic principles. Really great job in explaining the abstract, which can take so long to understand. Learning 'what' and 'why' is so often conceded in favor of 'how' and 'when'. And yet it can be explained in 5 minutes.
Thank you very much, Professor Dave! Your analogies and explanations with regard to the Enthalpy and Entropy relationship were crystal clear. It truly shows that someone understands a topic by being able to break it down as if you were explaining it to a 5th grader.
Im doing a PhD in electrochemistry and working with high entropy alloys and oxides as electrocatalysts for energy conversion systems. This video is so comprehensive.
You're awesome dude ! I've recommended your CZcams Channel to my biology class :)
+Alain Dupont (Kulggen) thanks for spreading the word!
Prof. David, thanks so much! I took chemical engineering thermodynamics course two years ago and I never understood the concepts. Now that I am preparing to enter the world of work, I thought I had to understand these things as they are part of the most fundamental concepts a chemical engineer should know. I should have watched this video last two years! I'm very grateful.
What do you do for work if you don’t mind me asking?
Thanks Professor Dave , as always .
Today is Teachers Day here in my country India
A very Very Happy teachers day ! keep making videos and educating all!
(Out of topic) - Do you like Breaking Bad? :P
of course! amazing show.
Professor Dave Explains sir today i saw your video for the first time and its damn amazing. I am from india. Where are you from ?🙂
Kirat Alreja today is teachers day in 2018 :))
@@-TayyabAwan
Some body here from humanities 😂
I m also from india .. professor dave sir advanced teachers day wishes to you..2019 September 5.. I m continuously watching your classes thank you so much sir for interesting explains.
I'm scrolling your video about fundamental of chemistry, I learned to recall my memories about it. I'm struggling to recall my first-second semester memories through my notes but I found out it really takes time. Prof Dave's simple explanation helps me a lot. Thanks!
Thank you Professor Dave I really appreciate all of your help!
Many teachers should take examples on your video to introduce these abstract notions of thermodynamics. Your explanations are very clear and concise. Your pedagogy is perfect. Thank you so much .
The part where you describe how soap works blew my mind! 10/10
WOW! You just explained to me what my sir took one whole week of 40 minute classes, in just 8 minutes. Thank you.
This is amazing. Ty Professor Dave. My concept of 'time' since I was a child is now just a theory for me and I use enthalpy and entrapy every moment of life to govern my decisions. I have since had a low stress life.
Lol stop lying
And the explanation about the soap, I represented my high school in a prestigious national science and maths quiz competition about 5 years ago and it was one of our questions. Really great explanation.
Entropy: I "fight" it daily.
What does this mean
@@MohitYadav-ks3hh entropy is a concept. I'm not a physicist so this is only my basic notion of entropy: Things go from state of high to low order in time. You need energy to create higher order and when the energy supply stops, things go into less order. An example: you need energy to build a castle. You put brick onto brick, cement between bricks and so on. The castle is the high order. When you just let time pass, the castle will eventually become a ruin. The ruin is of lower order than the castle. You didn't invest energy to maintain the castle.
Entropy is everywhere in nature. You have to eat (food =energy) so your cells keep working. If you stop eating, you will die.
What I mean by "I fight it daily" is: every day you have to work hard to keep things going and not falling apart, e.g. keeping your room in order because it takes energy to put everything back into place from where you took it; meeting friends because when you don't invest in friendships, they will fade ;)
@Vijay Veluri actually, the example of the castle is from Brian Cox. He explains entropy by a sand-castle :D
@@jollyjokress3852 wow science + philosophy
Noice
The micelle explanation for the way systems can seemingly defy the 2nd law of thermo is really good, if not cuz I honestly didn't know how soap really worked until now.
Interesting to have the hills in the background. Spontaneity, as I understand it, can be thought of as a ball on a wavy terrain (we can just use a squiggly line) during an earthquake. On this wavy terrain, there are a few valleys, separated by hills. These valleys represent the different things our ball can do, just by occupying one of those valleys. Some of the valleys are higher than others. It can be easy to imagine that the ball might find its way from a higher valley to a lower one, but only if the ground is shaking enough that the ball can overcome the hill that separates them. Then the ball will most likely be moving faster than before, since overall it has rolled downhill. In many cases, this added kinetic energy can represent heat (since that's what heat is anyway). Similarly, the ball can actually go from a lower valley to a higher one, again if the ground is shaking enough. But if the ball goes in that direction, it will slow down.
There's some funky interplay between the speed of the ball and the magnitude of the earthquake, since both of these essentially represent heat. That's where analogy breaks down a little.
I spent 4 years in Bachelor's of Mechanical Engineering and Learned as much as this video. Thank you professor.
Professor Dave; "That's how soap works"
Babylonians; "We just thought it cleaned stuff"
For More study videos here's my efforts. Do share your feedback in positive manner. I will improve gradually. Thanks
*Like , Share and Subscribe*
I like the table at 5:18 Thanks much!
straight from india, just showed your video to teachers. whoa! they showed to all class as reference. keep up the good work man.
Why are you here danm
A non-mathematical presentation of the Laws of Thermodynamics:
The Zeroth Law: There is a game.
The First Law: You cannot win the game.
The Second Law: You cannot break even.
The Third Law: Tells you how much you will lose.
Gordon Weir, this helped me SO much. Truly. HA! Thank you!
I don’t understand the equations behind it so I stick to the rationale and laws, which is super useful.
Wow...you explain very well💙
Your teaching is superb...👍
And thanks for clearing my doubt 😊
Wow really easy to understand until you hit the equations! I am a freshman in high school and ,y engineering teacher went over Thermodynamics in class but not really giving Greshman a chance and instead resorted into asking the seniors. I decided that I should look into this knowing I like science a lot. You helped me out a lot to understand entropy and how it works. Now my teacher will be even more pleased that I'm taking his course into my own personal life and learning and comprehending everything. Thank you for the good explanation! You saved me a lot of time 👍🏻
Sorry about the misspelling, auto correct and simple typos.
Whenever I see you, I remember "Chemistry Jesus"
Can't stop laughing 🤣
Wtf I can't unsee 😭 AHAHAHAHAH
Thank you Professor Dave i wish all teachers can teach the same way you teach
+Professor Dave Explains
liked the video, how ever I found the "programming analogy" @2:10 a bit "odd" as I have read/heard the "diametrically opposite" being argued. I suspect this difference might depend on what "scale" You are observing/describing the "phenomenon" at.
So in Your case You are describing it on a rather "high (macro) level", and only demanding a "general description" of the "state". How ever if You were to look at it at the "micro level", where You have to describe the position (and possibly momentum) of every atom, the liquid would be "harder to describe" and demand vastly more "code".
And if I'm not mistaken (which happens ;) when talking about information theory the more random a file is the higher the entropy is considered, and the harder it is to describe it in a "shorter form" i.e. to compress it. And hence it's harder to ((losslessly)) compress a picture of a given size if it contains white noise than if it depicts a chequerboard ((or any other regular pattern)).
I thought it might be usefull to know that this "alternative explanatory analogy"exists, especially since it's so "different".
Just my 5c's.
Keep up the good work Best regard
it's true, i've heard quite a bit of opposition to the analogy, and am beginning to regret including it. it seemed valid, of course strictly as an analogy and not a literal description of entropy, and a way to help students rationalize the dispersal of matter and energy tending to be spontaneous, but it may be creating some confusion as well. at any rate next week i am releasing new tutorials on the laws of thermodynamics that are much more comprehensive than this one so i would love to hear what you think about those! particularly the second law.
+Professor Dave Explains
Ok, it wasn't meant as a critique, rather just a "heads up" in case You weren't familiar with it.
As I have only heard and read it used in the context of "information theory" and it was quite a long time ago I thought it might have "gone out of style" or maybe was isolated to use in that specific field/context.
But You seem to be both familiar with and on top of it :)
And though I don't think I'm generally competent to giving critique on these topics, I will "send a comment" if I think I have something constructive to contribute after viewing Your other videos.
Good luck with Your future work, here and elsewhere.
Best regards.
As a computer scientist trying to get a refresher on chemistry, this really threw me for a loop.
I came here looking for this exact comment. Thanks for owning it Professor Dave.
I can't believe you literally made me understand this concept in 8min...You're so amazing
Thank you Jesus
lmao
😂😂😂😂😂😂
😂
😂
I literally don’t understand how good you are at teaching. Like omg
3:52 pure gold
SIMPLY AMAZING THANK YOU PROF. DAVE !
Nice explanation....my all doubts are clear now ....thanks professor dave
In many ways this is a great video to put more simply some of these ideas. I disagree with the idea of entropy as disorder and a Google search of "entropy is not a disorder" should pull up many reputable more academic sites easily. However, for the majority of students who need help for test taking reasons or other degree requirements and don't really mind not having a full understanding for their field of interest overall, this is actually really good. Some of ways you can define entropy and disorder are even almost a 180 apart so just be careful it doesn't influence deeper understanding for you.
dave grohl helping me with my bio final *calm face emoji*
And both this guy and Grohl have even the same name xD
Yeah both of these Dave s look similar and once I asked this Dave whether he is a musician or not.And he said he had been a life long musician.
Kalm
@@AS-mm4pn He plays piano, there are a few vids of him on a channel by his name!
Sorry, a late comment. I am a big fan of you.
This is perhaps the best under 10 minute lecture of Intro to Thermodynamics I have seen.
Very few people can explain a very difficult subject as clearly as this!
I would give this a big 10 thumbs up if I could.
Your videos are very didactic. They are also great to train English.
My teacher literally spent 2 1/2 hours explaining this, for me to finally get it in 8 minutes. Thank you so much!!
0:03 this is so addictive☻️
I'm a chemistry teacher and I just found the explanation I'll be using from today onwards. Brilliant!
"[...] and as an aside, let me drop some knowledge on saponification: [...]" Nice.
I've never been a fan of describing entropy as disorder. The best example that I've seen on that topic is that when Ice melts into water, the water looks more orderly, but it has a higher entropy.
Ice is objectively more orderly. It has an ordered lattice structure. Liquids do not. The particles move about at random. I agree that disorder is not the best word, one must discuss microstates, as I do in my tutorial on the second law of thermodynamics in my classical physics series. But it's a reasonable way to describe it, and the best way to introduce the subject to a high school chemistry student.
It was a great learning experience professor Dave
Currently studying the subject on the basic level. Learnt more from this video than 2 years of my uni. Thx a lot.
thanking you sir It was super explanation..and I got good clarification
Great effort❤❤
I am a Syrian Chemistry-Olypmiad member used to watch your Chemistry vedios
Thank you very much❤❤
3:00 AM in the morning and my smart ass got curious in thermodynamics
I think most of the things about science are excellently fascinating to such an amazing level, that only the right person, can convey their depth.
Thank god for Professor Dave
I thank science for professor Dave
This really helped me better understand conceptually how Gibbs free energy relates to spinoidal decomposition and thermodynamics in general, thank you.
No clue how I ended up here, but what a great mistake it was, you are seriously awesome!
Thank you professor Dave, your teachings on thermodynamics and Gibb's free energy was superb. I expect your more updates on physical and organic chemistry.
Correction: "Energy can't be created or destroyed(by human power or any power *within* the universe). But it doesn't mean that energy can not be created or destroyed. Cuz it's just like making internal force in a closed system. You can't go forward by pushing steering wheel from the inside but car can be moved by an external force.
What an intro !!All solution and colligative available on this channel?
yes, check my general chemistry playlist
thanx sir for your contribution in educating people
sale tu
The micelle graphic; blew my mind once the visual representation "clicked".
Another awesome vid.
Professor Dave! Your lessons are world class! Thank you so much.
Loved your comment on the first law of thermodynamics - "works perfectly fine, except for quantum". Nice nuancing of the concept!
your videos are awesome professor! keep it up...I consider myself as your student...Im taking master in engineering in Mechanical Engineer...😀
This man is the only way I passed gen chem during the summer with an A. I watched his videos religiously
"We won't get into the math..." THANK GOD! :P haha
At the end it was all math 😂😂
Man you reply to all the comment to clear everyone's doubts #Respect
Your channel is a gold mine. Thank you ♡
For people who find it challenging to understand his lectures just think of him as your friend and the process would become million times easy 🎉
now i can easily understand thermodynamics
wait until i post thermodynamics tutorials in my physics course, they are much better than this one!
thanks
my exam is tommorrow thank youu so mich for the help
very helpful video, thanks a lot!
Thanks for clearing that up for me professor Jesus
Also as an added bonus I know how soap works now
2:50 that's an awfully hot coffee pot
Now I have understood Gibbs Free Energy from you my Professor ❤
Does anybody else sing along with the introduction song? Only me?
ok.
._.
hahaha i do too
you're not alone :)
Gave myself a high five when I got the comprehension question correct. That’s so much