Specific Heat Capacity + Latent Heat - GCSE & A-level Physics (full version) 

I ain't gonna lie it's less than 24 hours until the exam and I'm only learning this now

dude if i get a B or an A for physics im naming my child after you and im donating one of my kidneys in your name.

Time to learn the entire A2 course in 2 days because someone spent most of year 13 doodling in her book rather than paying attention in class. Great work on these videos btw, I think if I put in even half the effort you do I could probably get an A :D

wow, this visual way of teaching is amazing. It's clear and helps me actually remember stuff, thanks ^w^

Something that you didn't necessarily cover is the question type where you are given like the flow rate of a machine in Kg/s. So you must use the fact that P= Q/t to calculate the Power of the machine when only given change in temp and flow rate. :)

Thank you so very much!! Helped me immensely, especially the harder problem in the end...

Super explanation 👍🏾. You really know how to break things down for even a toddler to understand 👌 Nice one, keep it up

These videos are perfect for small revision

Amazing work, thanks for taking the time to help everyone out

For SLH could I say: "The energy required to melt/vapourise 1kg of subtance *without changing temperature*

@Science Shorts Thanks will 100% donate :)

Thanks man !

You're the best!!! Thx A LOT for the video!!!

amazing !!! finally got exactly what I was looking for 😇

As Jerry Smith already poited out correctly below, the last example is a bit unfortunate. The cube of ice heats up from -5C to 0°C. Then it melts, it turns into water, which would have 0°C. This water then warms up to the final temperature T. Whilst this is happening , the limonade cools from 20°C to the unknown temperature T. The specific heat capacity of ice is 2090 J/kg.K, the specific heat capacity of water is 4180 J/kg.K, they are very much different, so there is definitely missing a third member on the right side of the equation. Also, notice that specific latent heat of melting of ice is 334 kJ/kg, so the energy needed to melt the ice cube in this example is very roughly 10x greater than to warm it up, first by 5°C in the form of ice, then by T°C as water. Indeed, small ice cubes are cooling drinks by melting, because melting needs a lot of energy.

28 hours to cram the entire of A2 physics, lol.

Very nice video

literally saved my life

lmao anyone notice how he paused before adding the extra zero to 420

thank you for the explanation, the last equation in heating curves is that equation fixed?

thanks g

What if you can't tell if the orange juice will freeze or the ice block will melt?

Energy is lost from orange juice to ice so isnt energy lost in orange juice? shouldnt energy come in minus value? and you should subtract the final temperature of orange juice with initial temperature of juice instead of initial - final?

11:26 ice and water have different specific heat capacities

Hmmm surely on the flat part of the graph, the energy is breaking the intermolecular forces, not the bonds?

In the last example, why the equation is m×c×(20-T) instead of m×c×(T-20)

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I have trouble understanding what you did from 10:30 . Doesn't water have different specific heat capacities at different states? If it does, then why can we use E = mcT to calculate the energy in raising the temperature at two different states?

Is this for Cambridge A2 level or for edexcle student

saving my arse rn

God bless you

this was really helpful please can you go further to the calculations

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At 12:32 , why is it (20-T) isn’t the change in a factor (final - initial) so whatever the final temp is at comes first. You did final minus initial for ice where u said (T-5) but not for the first part. Could u explain why ?

So the reason why u made the equations for the energy of the juice and ice equal is because the loss of energy/temp of the juice will be the gain of energy/temp of the ice? And why did you add on ml

At 11:09 you say that we can combine the change in temperature for both ice and water but I don't think we can as the specific heat capacity for ice and water are different. Won't it give a different answer?

P3 feat. P2 (aqa)

were we meant to do the last example? we were not given masses

is this according to the syllabus of CIE ?

thank u daddy)\

Shouldn't it be T - (-5) at 13:35.

hepls sooooooooooooooooooooooo much

what iam i doing to my summer?

why is the energy of ice not (-5 - T ) You put (t- - 5 )