What is Heat, Specific Heat & Heat Capacity in Physics? - [2-1-4] 

Materials engineer and when I was doing my hnd this subject blew my brain. The way you have explained this is fantastic, thanks for the videos.

At one time, I was considered to be a heat expert where I worked. I have long since retired and have lost a lot of info that used to be second nature. Thank you for bringing back most vividly a lot of that information. Although I'm now a fossel in my field, it is so refreshing to have your insight on all subjects. BTW, I hold a degree in Electronics Engineering Technology and am certified by the ISCET.

I studied very similar applications in Machining School when we touched on heat and shrink fits. We had to calculate how much heat was needed to expand steel when installing sleeves and bearings. Love your videos. 🙏😌

The concepts are truly understandable for everyone who had watched video before

but thx you very much you help me soooo MUCH ! if without you i'm going be lost الله يحفظكم

Thank you

This reminds me of chemistry exothermic and endothermic reactions 😂

You have a nice combination of theoretical and "practical. Good work.

Where did you get the amount of gravity 9.8 ? Can you give some hint on it

THANK YOU... SIR...!!!

what is the difference between work done on the system and work done by the system in physics?

what is the difference between heat capacity and specific heat?

Thank you for very interesting lesson.

Thanks alot professor

I don't know how to find the specific heat capacity

I just learnt that any unknown variables substitute into the equation, would definitely cancel out just keep on solving🎉

Generally great discussion. But I'd offer not discussing time as part of it takes away from some aspects, and may even make some statements wrong. With enough time, and assuming a closed system, a small burner CAN heat a significantly large piece of copper. With time the energy in the copper will equalize throughout, but while heating, the material local to the burner will have a different temperature from that of the material at the slab extremities. You started to touch on this while talking about thermal conductivity. And the car example is great, but the car does not stop in zero seconds, and therefore the energy transferred from the car to the brakes occurs over time. Quenching a horseshoe in water versus oil impacts the resulting horseshoe due to the rate at which the horseshoe is cooled.

So detailed. Thank you sir.

Sorry there's something I don't understand there Why did you divided the heat of the water by that of the heat of the pallet?

Thanks alot....your explanations are clear and comprehensive

I have done a good deal of searching on the Internet, and I have not found a good explanation of the reasons why materials are better conductors of heat than others. It would be nice if you could provide this explanation, something a little bit more detailed than it has to do with what happens at the atomic or quantum level. Maybe this would require even a short addendum lecture, but it would be a nice contribution, as I did a good deal of searching and could not find anyone explaining this anywhere.

at 9:38 would Temperature not be measured in Degree Kelvin ?

Can you write these definition before solving the problem

Nice 👍

The difference in temperature from the substance should have been (500-t) because it's obviously giving out heat to the water hence it final temperature will be less than 500.The temperature difference water will be (t -22)

You said the lead pellets have a mass of 1gram and are heated to 200 degree Celsius. I thought it means the final temp will be 200 degree Celsius (since it is heated to)

Thanks

Sorry to be a pig in the mud, but you really should be using "delta Q". Just using Q might confuse some students into thinking that you a referring to total amount of heat in the object rather than the amount added or subtracted. "delta Q" clears that up. i.e. the "delta T" forces the use of "delta Q"

44:13 Is this a mistake? -172.2 - 83720 does not equal -83540... great lecture btw!

Sir I don't know how calculate thermal expansion

Good men

Dude really saved my ass

Im from u.s. can this be done in btus/lb *f ?

I can only recall in my study ( Physics 1 and Refrigeration 2 ) the formula : Q = mc◇T ( Btu ) long time ago. Thank you Sir Jason

math is a so easy for world

Just wait for the answer n you'll see the answer

heat is mean energy if H=-10 mean is heating if H=+10 mean is cooling see i am true science ! maybe not :(

❤❤

25:16 How did we get 10 to the power 5?

How to find 4186 which is value of c

Who has drum brakes on a modern car?

Am thinking the specific heat capacity is 4.18kg not 4186kg an confused

"Heat transfer is energy in transition by virtue of temperature difference."

Guuuuuuuuu😂😂😂😂😂😂

Thanks sir once again

Thank you

I don't know how to find the specific heat capacity

I don't know how to find the specific heat capacity