whose here is 2024 😅

@IValchev

Ай бұрын

Night before paper 1😭

@strawberrymxlkxo

Ай бұрын

my exam is on Thursday i’m cooked😭

@IValchev

Ай бұрын

@@strawberrymxlkxo shouldny it be friday? Check ur timetable

@strawberrymxlkxo

Ай бұрын

@@IValchevno im not doing the official as exam it’s just a mock the organisation of my school does😭

@Eliot Rintoul don't ever dream of deleting this channel you are literally a saviour and this channel is gold

a chapter which took a whole half term in about 15 minutes (watching on speed 2) lol

@MrERintoul

8 жыл бұрын

+Sam K Niceee.

@blingclem

7 жыл бұрын

Either your teacher is shite or your class is shit, or both :P Difficult topic though

@samk4367

7 жыл бұрын

bit of both haha

@taimour_cheema786

6 жыл бұрын

I failed my energetics test just becuz of hess law and this video made me a pro.... i can again think of getting an A in my As level

@abderrezakboulbrachene6318

5 жыл бұрын

the fact that i actually put it on speed 2 to consume less time just shows how sad my life is

hahaha at 8:19 when i saw your background i thought, what a teachery background to have, then i looked closer and realised!

@MrERintoul

9 жыл бұрын

tobais brown Haha, yes. I need to change that at some point...

@SpicePlayz

3 жыл бұрын

@@MrERintoul no need to change its like a scientific background but from the pokemon world.

Thank you! After watching this, I did 3 Hess's law questions on Combustion and 3 on Formation. And 1 on reaction and I got them all right. I didn't have a clue about them before I watched this video! x

@MrERintoul

9 жыл бұрын

Jen xX Excellent work - keep it up!

Could you make a video doing some exam questions using Hess' law

I've been struggling with this for a while but after watching your video I understood it straight away, thanks!!

you sir ARE A HERO TO ME,I CANT THANK YOU ENOUGH.

@MrERintoul

9 жыл бұрын

Ahmed Qasim Thanks!

8:19 Darwin with pokeball XD nice wallpaper

this topic scared me, now it just feels the simplest one. you sir, have my respect

Great videos and great pokemon wallpaper. You've helped me allot so thank you.

You're the best teacher ever! I can't thank you enough, this helped me immensely

I finally understand them, thank you . I don't know what I'd do without these videos !

I've been struggling with hess' law for two terms now! Really been of great help, thankyou so much, virtual hugs to you! xx

This video has saved me! After my lessons, reading the textbook, homeworks and searching on the Internet I still could not understand Hess' Law at all! I now understand it completely in less than half an hour! Thank you Mr Rintoul! :)

You have literally saved me... My teacher this year has been dreadful and I've realised how little I know, I can't thank you enough :)

Ur an actual saviour and genius to how u managed to get all that detail into one video im baffled my teachers at school spent an hour to tesch us and u managed to get the same amout of content in 23 minutes im shook😭😭😭

Thankyou so much for these videos they are helping me get through as chemistry. I honestly wish you were my teacher ... thankyou so much for what you do

i know im 6 years late here but I'm so confused, I've finished year 11 and I'm trying to teach myself the AS portion of the chem a level from your vids and so far I'm doing great but this hit me like a tonne of bricks. thankyou so much for the time you put into these though!

@str8.32

3 жыл бұрын

Same!!! Haha, we'll get through it :)

@lucas6909

3 жыл бұрын

Why would you ever want to teach yourself AS chemistry?

You are an icon and a life saver- thank you so so much for this! It’s all starting to make sense 😁

Great help thank you so much. I was struggling with this topic for almost a week and this video/ playlist really helped me!!

Man hats off to you my teacher at school is terrible at teaching enthalpy she took like 7 lessons to teach the whole energetics whereas it takes 3 lessons to do a whole topic and she cannot explain the simplest thing man thanks a lot Appreciate your help keep it up your an amazing teacher

@shoazdon7000

7 жыл бұрын

same but its the class aswell. My class fuck about way too much lool and then we all wonder why we are on grade U's

OMG THANKYOU your videos save my lifeee I swear!! May the almighty bless youu and shower you with happiness

thank you so so so much! i was just about ready to give up on this stuff but your video has really helped! I can't keep going back to my teacher and asking her when i forget how to do it all so it's really helpful watching your video:)

i have my exams and this is what i am dependent on, you're a saviour

just gonna drop a message to say how much all parts have helped me understand the topic as a whole!! leaving this here so i can come back and see how i am in the future because at the moment i have no idea what i’ll be doing😪

Thanks soo much for your videos, it has been very helpful, my teacher goes very fast at school and your videos helps me understand it much better, thanks!!

@MrERintoul

9 жыл бұрын

sam09 It's tricky to keep the pace sometimes in class, particularly with so much content to cover (I'm sure some of my students would say my pace is a little quick at times!). It's definitely worth having a word with your teacher after the lesson one time, just to let him/her know that you find the pace a bit quick and ask if they could just slow it down a touch!

THANK YOU SIR I JUST SAT MY ALEVELS IN MARCH BECAUSE U ARE TOO GOOD! THEY CHANGED THE SPEC JUST FOR YOU!!! UR A STAR GOD BLESS!!! U BEAUT

thank you so much your videos will help me pass my as level, my teacher at school is so bad now i still have hope in scoring good in chemistry!

Thanks to your videos I undestand chemistry- you are honestly the best teacher. Thankyou so much, if I get into medical school it will be because of your amazing work. :)

@MrERintoul

9 жыл бұрын

Style Street Well I hope you do get into Med school! Keep working hard!!

@8:19 Sir Darwin! Awesome video, I was really confused in class but it's all good now :)

youre a life saviour, thank you so much for your effort and time

Thank you so much!!! My teacher unsuccessfully taught this to me, but this video has literally helped me crack it in 20 minutes!!!

@MrERintoul

9 жыл бұрын

Sean Frost Excellent!

Thank you so much!!! This is extremely helpful! I really appreciate your efforts❤️

Thank you so much for all these videos, i didn't have a clue about energetics , but now i do!

@MrERintoul

9 жыл бұрын

Luke Whiteside Excellent! Let me know if there's anything I can help you with.

Could you go over finding enthalpy change of formation from enthalpy change of combustion? I have it in my text book and I cannot get my head around it! You're videos are actually saving me! No teacher until the start of this year (2016) and missing so many lessons due to clashes but these help me out so much!!

These videos are also applicable to other exam-boards, I do edexcel and these videos are helping a lot! many thanks!

@MrERintoul

9 жыл бұрын

CogWerk That's good to know!

Thank you so so much, your videos are such a massive help, I really appreciate the effort you've gone though to make them!!!:)))

@MrERintoul

9 жыл бұрын

Zoe Dunnett No problem - thanks for the kind words!

Thank you this has helped so much with understanding Hess's Law. And now i feel prepared for my EMPA. :)

@MrERintoul

10 жыл бұрын

Fantastic! Good luck and let me know how it goes.

You're a life saver. I owe you my as chemistry a level.

@MrERintoul

9 жыл бұрын

TheAcesM It's all down to you!

IM SO THANKFUL FOR THESE VIDEOS

@MrERintoul

8 жыл бұрын

+skyeline ozer I'M SO THANKFUL THAT YOU LET ME KNOW. Seriously, thanks for the kind words.

This is fantastic thanks very much!

a hero in our time

WOW JUST WOW. I cannot thank you enough. THANKYOU A MILLION!!!!!!!!!!!!!!

@MrERintoul

9 жыл бұрын

pringles lover Big praise! Thanks, though, means a lot!

You made this chapter so damn easy, at my school i was confused af with this. I couldnt do it, it felt like i was trying to learn chinese, but after this video :D!

Thank you very much for the video! its really useful!

Thanks a lot! Sitting here day before chemistry exam and had no idea about this

@seamussmyth9790

8 жыл бұрын

You doing ccea??

Hi, great set of videos, massively appreciate you putting in the effort to make them. Just to add a little bit more (basically the easy method)- hope you don't mind checking if this is right and correcting me where necessary: if you have enthalpy changes of formation: enthalpy change = sum of enthalpy change of formation of products - sum of enthalpy change of formation of reactants if you have enthalpy changes of combustion: enthalpy change= sum of enthalpy change of combustion of reactants - sum of enthalpy change of formation of products

@MrERintoul

10 жыл бұрын

Hi and thanks for the comment! You are absolutely correct. I don't like to simplify it like that purely because I think it takes away from the understanding, and I have seen a question in the past that actually gave a cycle to calculate a value from. But, in 99% of the cases, your method will work perfectly (and is much easier!).

This video helped me a lot, thank you!!

Uv given me an extra 2 hours of sleep bless you

This man is a god, thank you

Thanks alot for your effort. I appreciate it. very well explained!

@MrERintoul

9 жыл бұрын

Ayush Acharya No problem!

I think you explained everything really well. Thank you for this video.

@MrERintoul

9 жыл бұрын

tdd9977 No problem!

You're soo good omg ✨🙌🙌👏

THANK YOU 😭🙏🏾

Thank you for the video - really helpful in covid-19 lockdown!

Amazing !! Thankyou

Thank you so much !!!

Thank you so much! Everything makes much more sense now

@MrERintoul

10 жыл бұрын

I'm really glad you understand it better now! Thanks for the kind words.

Amazing video!

I couldn't understand what my teacher was teaching me , But you sir taught me well.

Thankyou so so much that helped a lot

DOING MY ALEVELS IN 5MONTHS UR LIFE SAVER

Thanks for the video I really understand Hess' cycle now. How would you do Hess' cycle with enthalpy change of reaction?

Great video

It's really helpful❤

Hi, how would you calculate the enthalpy change of a reaction when it provides both formation AND combustion data?? Im confused as to what directions the arror go to because one reactant has formation data with it and the other reactant has combustion data with it

thank you so much for these videos!! big help :) I have a question though: when do we use the Hess cycle and when do we use the formula: enthalpy= products-reactants?

@MrERintoul

8 жыл бұрын

+lamis shehata Thermochemical cycles are used when formation/combustion data is given and the other is used for bond dissociation enthalpies. I think that's what you're asking...?

It is request to you that Please make another video explaining the cycle in detail specially the part from enthalpy change of formation till end.

thanks so much for doing this

was a good explanation:) cheers

There's a much easier way to do this: If you are given a DeltaHC values then: enthalpy change = Sum of rectants - sum of products If you are given a DeltaHF values then: enthalpy change = Sum of products - sum of reactants Sorry I couldn't explain it that well. Its hard to type it lol. Hope it helps though!

@MrERintoul

9 жыл бұрын

Abid Ali You are correct. BUT, this doesn't show any understanding of the cycle. Plus, if a question comes up that isn't quite as straight forward, this method will scupper you! I will also suggest that you go for a good understanding rather than trying to learn tricks to get there quicker. That said, it is quicker and for some people it might be a better option!

you're a god, thank u so much

Sir thanks ur a legend 😊😊😊😊😊😊❤️❤️❤️

God bless you!!

Awesome wallpaper, nd thanks for help

I do not understand what you put in the boxes with arrows, where do u get those 2CO2 + 3H20 from????? Last combustion question

thank you so much!!!!

would really appreciate if u could also solve some past papers for both as and alevel chemistry , it would really mean alot

Brilliant

Thank you so so much these videos have been really helpful! I was wondering if you would be able to do a video on mean bond dissociation enthalpies as I struggle with calculating them. Thanks! :)

@MrERintoul

9 жыл бұрын

mariobros920 Thanks very much! I have a video already I believe... Try this one: kzread.info/dash/bejne/fadlpdaqo8TMg8o.html Let me know if there's anything else I can help with!

Do you have a patreon page or a subbable account or something? It seems unfair that I've given money to textbook companies that have helped me a TINY amount, but I haven't given anything to this channel which has helped me LOADS.

@MrERintoul

9 жыл бұрын

TheThingsThat IDo What do you mean...?

@thethingsthatido3108

9 жыл бұрын

E Rintoul It's just these videos have been insanely helpful to me this year, I was wondering if you accept like donations and stuff?

@MrERintoul

9 жыл бұрын

TheThingsThat IDo Oh I see! I guess I could set something up...! I certainly don't expect money from people! How would I even do it?!

@thethingsthatido3108

9 жыл бұрын

E Rintoul haha I'm sorry, I have absolutely no idea :( I know there's a website called patreon that is meant to do stuff like this, but I don't know how suitable that is for you (I also hear rumours they take a cut themselves). Maybe a justgiving page or something?

@MrERintoul

9 жыл бұрын

TheThingsThat IDo Justgiving is charity though isn't it? Would a PayPal link work?

Could you do a video with some exam questions on Hess' law

could you please make a video doing some exam questions of energetics, cause i do understand what you teach but i struggle with exam questions.

Thank you :)

This video has helped me so much, thank you! I was wondering if u do any organic chemistry videos?

@jazmiah6261

8 жыл бұрын

He has, they can be found on his channel :). Unit 2 playlist mainly for as

@bushrapatel5835

8 жыл бұрын

Jaz Miah thank you :)

why we don't take in account the H2 in formation reaction and we take it in combustion reaction.?

Please make a video on enthalpy change of combustion by using formation data and enthalpy chanfe of hydration by using an anhydrous salt

I wonder if you are still active on this account. You posted this when i was year 6 and now im year 12 watching this amazing video.

if i pass tmw its because of your videos sir thank you

Thank you!

@MrERintoul

9 жыл бұрын

9clpc8 No problem!

My autumn resit paper 1 is on 5th october, and ive not done much exam practise. Do you have any tips on how to structure my reviision over the next few days. Thanks, great vid

Can you explain how to work out the enthalpy change if they mix enthalpy change of formation with enthalpy change of combustion please?

@MrERintoul

8 жыл бұрын

+Daniyal Shah Have you got a question like that? I'd need to see the question to be able to do it justice.

u saved my lifee

What's the difference between enthalpy of reaction formation and combustion, also why can you sometimes use enthalpy of formation to calculation enthalpy of combustion?

Thank-you, was very helpful. Do we need to know about mean bond energies for the AQA board?

@MrERintoul

8 жыл бұрын

+Reian Taank Yep. Here: kzread.info/dash/bejne/fadlpdaqo8TMg8o.html

@reiantaank3314

8 жыл бұрын

+E Rintoul Thanks for the quick reply :)

When working out questions do you have to be able to construct a Hess's cycle or is that just to aid you? This is because I can work out the answer for Hess's law questions by using the "cancellation method" if you've heard of it.

With the thermochemical cycle at the end do you need to add oxygen to the reactants and products to make the reaction balance or does that not matter ?

@MrERintoul

9 жыл бұрын

Ryan Bower There's no need to add any oxygen into the cycle itself, no!

Could you please explain how you know which way the arrows are going?

What if we only make the ethane equation during the enthalpy change of combustion and use the reactants of that equation to find the enthalpy change?