"He knows lot about science stuffs, Professor David explains! Turuttu ! "

@fishplayztoh

3 жыл бұрын

Lol

@DvolWOLF

2 жыл бұрын

It's dave*

@luistomaslloyd5463

2 жыл бұрын

@@DvolWOLF no it's chemistry Jesus

@1alex92

2 жыл бұрын

I love that too lol I'm always singing along 😂

@ACTHEGOAT

Жыл бұрын

How tf does that sound like "turuttu" to you ?

you are amazing what the teacher do in 50 min you did it in 5 min

@JihadAlAnsari

5 жыл бұрын

I always wondered why it would take them 30 minutes to explain a concept which can be done in 2 minutes.

@pepitobenegas

4 жыл бұрын

@@JihadAlAnsari because then they wouldn't have jobs lol

@adamigbaria5881

3 жыл бұрын

اا والله ^_*

@vasanthisuperkaruna3407

3 жыл бұрын

indeed

@willbgm5x5

2 жыл бұрын

@@JihadAlAnsari because they are teaching 20+ people who learn in different ways, they also need to go over multiple topics at a time. Imagine you have a 2 minute class and don’t pay attention for one minute (zone out) you’re done for!

It's my 2nd semester of first-year university chemistry... and of course, Professor Dave saves me once again.

@yunyung

Жыл бұрын

Same here and agreed 🥹

@AbdelRadhwan

Жыл бұрын

@@yunyung lmao same as well

@riruruuu

10 ай бұрын

Then why am I doing this in 10th grade. Not fair

@riruruuu

10 ай бұрын

Then why am I doing this in 10th grade. Not fair

@keviisam5200

7 ай бұрын

@@riruruuu bcaz what that person is doing is a intro chem course, they refresh the basics first then dive into the harder stuff as they progress

Hello guys, just to help you guys out the equations is missing negative in the calculation. To end up with the Ans: 2.19 J/g °C i thought i would simplify for those that may need it. Don't forget the metal is losing energy and the water or liquid is gaining energy 'joules' So :- Qmetal/metal DT " -850J /(4.82) (-80.5°C) = 2.190665189. COOL WELL EXPLAINED VIDEO THOUGH. hope this helped.

At the beginning, it thought I would be really difficult, but you explained it well! I see that you omitted the cancelation of the negative signs of the metal q and the metal Delta temperature, that confused me at first but made me think a little harder (which was good!). Thank you again!

hello sir ! my self rishabh , i am from india. today fortunately i came to your channel. your style of teaching is fantastic it attracts me a lot . thanks for free education. you are making a great effort to make this world Literate wish you all the best. you cover the topics very earlier and effectivily it is very benificial for all

@BabitaKumari-vv4vo

2 жыл бұрын

Same bro

I didn't do the comprehension I was to busy jamming to the sick beats

@ProfessorDaveExplains

7 жыл бұрын

check out the song at the end of any clip in my organic chemistry practice problems series. that's the dopest beat of them all.

@ethanp4050

7 жыл бұрын

Wow you're right I'm adding it to my playlist rn ✌🏾

@EbonyPope

2 ай бұрын

@@ProfessorDaveExplains Why are you using Celsius and not Kelvin? The equations I saw multply by Kelvin not Celsius. Won't you get a wrong result this way? Please help.

Thanks Professor Dave for doing something in four minuets my professor couldn't do in forty minuets. Explain the material.

I would much prefer you use the equality of heat lost = heat gained. q(water) = -q(metal) Thus you can be consistent in the determination of delta T as final T - initial T. Your video is really nice for an introduction to the concept of calorimetry but may be confusing when instructors discuss exothermic changes which are given a negative q or delta H.

I know this video was a while ago but if you ever do remakes, putting everything in standard units would be awesome so it's consistent with college courses. Like kg, K, and all that. The visuals you put in are so helpful, thanks! ;]

@mahigupta8505

2 жыл бұрын

so u are a studend of thermodynamics?

@EbonyPope

2 ай бұрын

Why is he using Celsius and not Kelvin? The equations I saw multply by Kelvin not Celsius. Won't you get a wrong result this way? Please help.

Awesome video hit the nail right on the head

This dude is so amazing even the teacher all over the philippines LINKED his vids for me and my class mates to whatch

This really helped my understanding of this topic thank you!

How do I always get suggestions on what I'm currently learning in class!? 😮 Professor Dave is psychic!

Thank you Professor Dave!!!!!

It was a couple years I haven't learn about different of heat capacity or specific heat. Thanks for explaining us.

I love this man! Thank you so much, your amazing! ❤️

The best part is your video is concise and useful . thanks

Dave, you are really good.Thank you very much.

You are very fantastic prof. Thank you for making this channel 😊😊👍👍👍

Liked and subscribed. Thank you professor Dave, this is dope

thank u very much really its clear more about calorimeter

I love your content so much but bro you your intro is the funniest thing ever it really made my day

Great videos! Keep it up!

i have long graduated and sometimes this very simple thing is not remembered (we cant remember everything right), so this video is an excellent video for a short revision.

Wow, I needed that visualization. 👀👌 This is good stuff.

thank you professor Dave, for eplaining me calorimetry in simple words.

very nice explained sir

Thankyou for the video on Heat Capacity, Specific Heat, and Calorimetry.-Alexis Kironde.

@pmmeyourdadjokes9811

3 жыл бұрын

Such a wholesome comment written like an email

@makllxbjsnjwlr

3 ай бұрын

This is KZread you didint have to be that formal take a chill pill😂

Very insightful helped me to understand that coffee cup experiment

Amei a explicação ❤🎉 muito obrigada! O Brasil te assiste!!

very great video! prof dave

thank you so much jesus i have a test tomorrow and you came in clutch ❤❤❤❤❤❤❤❤

I love you Professor Dave

My native language is Spanish but I study in Brazil so all my classes are in Portuguese and the only way that I found to understand this topic was theses videos in English hhahahahah, I love your videos

@pedrocarlosdeoliveiradossa5657

3 жыл бұрын

Really? kkkkkkk I'm from Brazil

lovee the introoo i already start singing it when i click on ur video thank you brother, u help alot of fellow studs by ur lecs GOD BLESS YOU!!

sir, will you define heat capacity with some other lab activities??

THANK YOU FOR THIS!!!

THANK YOU !

Nice lecture

Thank you My physics teacher is ass You made my day

thank u so much omg

lovely explaination

That's great explanation

Awesome comprehension question!

Thank you so much !!

Τhank you very much for sharing! I am watching you lectures to revise material which is needed in order to earn my master's degree. The only thing that I would like to say is that since the volume of the water has two significant figures, the end result should have two significant figures too [2.2 J/(gr*°C)] (3:38). Apropos, I couldn't find a metal that has this specific heat; could you reveal it to me?

Bless this video

I am from Bangladesh. Really your lecture help me.

The best explainer❤

For practical reasons, the change in water temperature is to be recorded in time. When the graphic peaks, that is the temperature change for the given equations. That is because the calorimeter change heat with the environment as well. Your thoughts?

Thanks Dave.

At a village a mother heats 4 liters of water with a paraffin stove from a temperature of 18 °C. She later noticed that 20 g of the paraffin was used up. Calculate the final temperature of the water if the heat value of paraffin is 31 MJ/kg and the specific heat capacity of water is 4187 J/kg. °C.

Superb bro!!

thamks

to think this the same dude who be cussin out flat earthers i love this guy frl

Your videos r very useful but can u plz talk about thermal decompostion

Thanks!!

I have my examen in 1 hour and I so nervious, thanks for help me

Nice lecture sir

That last q helped me understand that I understood. Tnku

I will do anything to make u my physics teacher....Thanks for these amazing videos !!!!!!! 🤩

@prashant4123

2 жыл бұрын

He looks like Ranveer Kapoor

What's the difference between ''heat transfer'' and ''change in temperature''?

Omg. Thank you! Im a chemistry major but this type of problem was so confusing to me. Thanks!

@otakukid154

4 жыл бұрын

Zeima Rodriguez bruh i’m in 6th grade tryna figure this out😭

What is the initial value of metal temperature?

Very intelligently explains. Prof Dave is the best

Sir, how specific heat different from conductivity or with other mode of heat transfer....

@Adarsh_Negi

3 жыл бұрын

Specific heat is not a means of heat transfer , it is the characteristic property of every substance and is different for all.

Hello sir.. thanks for this video. Just wanna ask how to measure sp of soluble solids like sugar? pls reply thanks

thank you sir

Thank you bro 🙏

Hi Professor Dave THANK YOU! Your videos are very helpful with my SAT Chemistry prep. I have a question tho, how do you get delta T for the second equation of the metal?

@ProfessorDaveExplains

5 жыл бұрын

the initial temperature of the metal is 115 so you have to use that!

@puneetpalsingh4383

4 жыл бұрын

@@ProfessorDaveExplains sir why we are taking the subtraction whether both are differently placed?

@bubblee1445

Жыл бұрын

Hi@@ProfessorDaveExplains, I also have a question. Why are we subtracting from the initial temp for the delta T (change in temp) and not from the final temp (i.e. 34.5 C - 115 C)?

I have another question is Does material has high heat capacity means to faster speed in change of temperature , in the condition of provide same heat to different material?

i got more confused but thanks

I am from Egypt , Really Thnx 💙

Thank you

In the problem 4.82g of an unknown metal is heated to 115.0c and then placed in 35L of water at 28.7c,which then heats uptp 34.5c.What is the specific heat of the metal? For the waterq=(4.186 j/g) (35g)(5.8c) how or where did you get the 5.8cand for the Metal 850j =s(4.82g)(80.5c) S=2.19 j/g cwhere or how to get 80.5c as these temperatures are not mentioned in the question and also when i multiply the specific heat and the temperature i dont get 2.19 j/g ci get 4.82*80.5=388.01 Please explain at your earliest convenience as iam in a dark dark place

Helps alot

thank you sir.l was not able to understand the concept clearly when l was taught at school.this video helped me tremendously....😂😂😂😂😁📣

His face looks like ranveer Kapoor

@kanishkarana8144

2 ай бұрын

No?

2:31 Is the specificheat before or after the water absorbs the heat from the rock?

Thanks

3:45 why was the difference in water temperature not subtracted from the temperature of the metal, and why the total temperature was subtracted from the temperature of metal?

These videos are very helpful. But just one suggestion, put them into an organized playlist of some sort so that people don't have to go around and search for the next topic

@ProfessorDaveExplains

5 жыл бұрын

buddy all of my tutorials are immaculately organized into playlists! did you even think to check before commenting?

Thank u sir

vry usefull..gd way of teachnggggg

Hello prof. , im confused by the concept of this question which is contrast to my understanding, the solution explains that the q of the diamond is equal to the "-" q of the water (q[diamond]= - q[water]. Why did the water absorbed heat and has a negative value? 5. As a purity check for industrial diamonds, a 10.25-carat diamond (1 carat = 0.2000 g) is heated to 74.21 oC and immersed in 26.05 g of water in a calorimeter. The initial temperature of the water is 27.20 oC. If the specific heat of diamond is 0.519 J/g oC, what is the final temperature of the water?

Please prof, I have a question on the enthalpy as, If the elementary step A to B has a reaction enthalpy of XKJ and the activation energy of the reverse step B to A is YKJ, then the activation energy of the process A to B would be what?

Hi, umm.. I had a question about the metal and water example... When you were calculating the specific heat of the metal, why did you choose the ΔT to be the difference of temperature between the temperature of the boiling water and temperature of the water on coffee cup?

@ProfessorDaveExplains

5 жыл бұрын

So the metal starts out in the boiling water, and it ends up in the cup at equilibrium, so those are the two temperatures for the metal!

Why is 66.5 degrees not a negative change in temperature at 3:05? The temperature of the metal decreases to reach the final temperature, right?

I'm confused, how did you calculate the specific heat of an object?

@ayinguimel3570

3 жыл бұрын

Me too 😢😢😢

Specific Heat of Water is 4.186 J/gC for the comprehension part.

@gmed26

5 жыл бұрын

TheChosenOne thanks. i was going crazy as i was using 1 cal/g C and getting the wrong answer hahah

@keylal3339

3 жыл бұрын

how does he get 4.186?

@dre7teen530

3 жыл бұрын

@@keylal3339 exactly i want to know as well

Thanks that helped alot But did you assume that the metal started up at 25.5°C when the question doesn't mention it. I thought that when the starting temperature isn't mentioned we just take the standard which is 25. So my answer was slightly different, s≈1.958J/g°C

I LIKE IT

thanks,

shouldn't be the q in computing for the specific heat capacity of metal be negative? Heat was released by the metal isn't it?

More examples, please!

Sir i now know a lot from your teaching .can you the difference between melting point and boiling point

@ProfessorDaveExplains

7 жыл бұрын

One marks the transition from solid to liquid, the other from liquid to gas.

does this mean that specific heat or q=+ve , it is raising temperature by 1 degree

where did he get the 9.25g and 66.2 C in his computation for specific heat of metal?

I’m literally watching this 2 hours before my AP chem exam. 😂

@coopersutherland8550

3 жыл бұрын

I'm watching it during an exam lol