I've gone from literal E's all through Y12 to solid A*'s now, thank you so so so much, your amazing!!!

@AlleryChemistry

Жыл бұрын

Quite a turnaround! Well done you 👏

@EdikanW

3 ай бұрын

Damn I want to be you😢

by only watching your videos and of course doing exam styled/past paper questions I managed to go from E\D's to A's, hoping for an a* now which I never use to think was possible given I attained a 5 at GCSE and the real difference that boosted my grades is your videos, literally wasn't even a gradual boost of E to C to B to A it was just zoom E to A 😂😂THANK YOU SO MUCH!!!!!!!!

@jammiestbitofjam3798

2 жыл бұрын

hey i just wanted to congratulate you on that!! that's amazing i've seen similar progress its nice too see these videos working for us all :)

@uzytube6751

2 жыл бұрын

Flippin hell I needed this comment to give me motivation, I'm struggling ::((

@j1862

2 жыл бұрын

@@uzytube6751 you've got this, little progress is still progress. you'll be so grateful you didn't give up in the end

@justmikey7348

2 жыл бұрын

@Allery chemistry

@devenray9414

Жыл бұрын

I'm in the same position you were in. This gave me a lot of motivation to get that A. Thanks

if only allery chemistry was my chemistry teacher.. but honestly these videos are class thank goodness i found this back in year 12 !!

@AlleryChemistry

Жыл бұрын

Thank you! Pleased you're finding the videos helpful! 🙂

He's got brain and sense of humour *stops the lesson to let us hear the ice-cream van*

You have nio idea how much your saving me right now, you deserve millions of sub for the work you're doing honestly 😭🤞🏽

@AlleryChemistry

2 ай бұрын

Thanks very much 😊

I'm about to go through all your AQA a level Chem vids since its close to exam time, you're awesome and the vids help me understand and explain so well, I can't thank you enough for the time you put into these videos :)

@AlleryChemistry

Жыл бұрын

You're welcome 😊

I cant explain how helpful these are, i only wish i knew about you last year- i am telling my friends to use your videos. thank you

@marianna094

3 жыл бұрын

literally. these are like the best

Have never been able to understand acids and bases but this was fantastic video, fully understood the whole way through even buffers which I couldn’t even start to wrap my head around before. Got chem paper 1 in 34 hours and this might just have saved it👏👏

@lorettakurtz1731

2 жыл бұрын

Me too lol! I just wish I had found this channel when I started A Level Chemistry! Good luck tomorrow😀

@bryherreed1604

2 жыл бұрын

Good luck! I am in the same boat

@seray6942

Жыл бұрын

what grade did u get

22:20, *correction: [H+] = 2[ACID]

Excellent video with very effective slides and clear and lucid explanations throughout, no more so than explaining how buffers work and calculating pH changes in buffers which is always a difficult concept to understand.

@AlleryChemistry

4 жыл бұрын

You're very welcome!

These videos are so so helpful with revision, thank you so much!!!

Thank you so much sir!! Your explanations were AMAZING

You’re a God send sir. Chem paper 1 in 2 days and I’ve been watching your videos which finally explain hard topic properly. Haven’t had a sufficient chem teacher for the whole of year 13 so if I pass you deserve much of the credit. Thank you for your service, truly appreciate it.

@ailasid3215

6 ай бұрын

did bro pass

@mairasyeda2805

6 ай бұрын

how did u do?!

you’re the best , god bless you🙏🏻🙏🏻 i’ll pass chemistry cuz of you

all i’m using to revise for my actual a level in 2 days, coz it’s all i need

@jazbean

2 жыл бұрын

same

@lorettakurtz1731

2 жыл бұрын

same!

@faysalmohammed2821

Жыл бұрын

How did you do?

These are honestly my life line getting through a level chem✨🙏🏼

i believe doing this video multiple times will get me ready for exams. Thank you so much sir

Great Video as always sir, but on the behalf of my A Level chemistry class would u mind doing a video explaining back titrations?

@mustaphahamza1787

3 жыл бұрын

Hi

This video has been super helpful! However, I wondered whether there was a bit missing in the presentation on Arrhenius plots and different indicators? Do you have a video on that as it's really difficult? Thankyou

thank you so so so much!

At around 58:52 the titration curve for ethanedioic acid begins at around pH 1. Is this not incorrect as ethanedioic acid is an organic acid so would have a higher pH value?

Thank you, I finally understand this topic

The half neutralisation point can be used to calculate pka of a strong acid rather than weak acid by taking the pH at this point

Amazing video. Understood it so much better than in class!

Awesome sir ..thanks for helping us alot

@AlleryChemistry

3 жыл бұрын

It's my pleasure

For the calculation of pH of strong bases you could just calculate ph normally then sub from 14, this may be easier !

excellent video!

thank you!

thank you Hashem i found this

You are the best

thanks brother this was difficult topic :)

great video - a little mistake i noticed tho 22:33 it should be [H+]=2[Acid] for diprotic acids not 2[H+]=[Acid] otherwise that means you will have to divide by 2 not x2

@hasansyed692

Жыл бұрын

was abt to say the same thing

@AlleryChemistry

Жыл бұрын

Thanks for your input, all noted. 👍

my goat

CHRIS, YOU LEGEND

my alevel is tomorrow, i so wish i found this channel earlier than a week ago 😭 the last minute help has been amazing, manifesting that grade B

@AlleryChemistry

29 күн бұрын

Hope it went well today 👍

I completely forgot about diprotic titration curves. Oh and i believe is that the def of buffer solution states that they also resist the change of ph when water is added to it as well. But regardless, Thank u for the video

Thank you!❤👌

@AlleryChemistry

Жыл бұрын

You're welcome 😊

ily tysm

Shouldn't the concentration of H+ ions be twice the concentration of the acid for Diprotic acids rather than the other way round? Since there are two H+ ions for each Acid molecule 22:25

@AS-mw6pw

3 жыл бұрын

Yes that’s what I was confused by. The video is wrong here, even checked in the CGP revision guide which says [H+] = 2[HA]. It’s one of the tips on page 100

at 1:03:57 if more of the acid is produced wont the equilibrium shift right because it will try to counteract the change?

@daisyeb

Ай бұрын

I'm also confused about this :(

Should the H2o be squared at 14:57 on the denominator?

@thineshthevarajah3905

3 жыл бұрын

No it has to be like that

9:02 I have a question, how come you haven’t written shown the addition of water for the equations for the acid/base types disassociating for the first 3 types, but have written the water for ammonia? In an exam if you were asked to show the disassociation equation of acids or bases, would you show the water? And do they have to react with the water to disassociate ?

@radicaledward4717

3 ай бұрын

not sure if you're already done your exams but ammonia needs water as it doesn't hvae OH- so it will react with H2O to produce OH- ions

at 1:13:23 i don't understand why the HA concnetrations it that instead of 0.0051, i thought you had to find the excess moles first before calculating the H+ cocnnetration

Allery chemistry solos no diff

half neutralisation point isnt in the spec or cgp book, like I havent seen that word, do I need to know it 100%

@AlleryChemistry

Жыл бұрын

Yeh it is mentioned in specification point 3.1.12.4 - Weak acids and bases Ka for weak acids. They can get you to work out pH at half neutralisation point, this can include a pH curve as you are expected to know about these curves too. 👍

@nadernassr6636

Жыл бұрын

@@AlleryChemistry alr sn

39:28 Don't forget about the no-en concentration guys

@thineshthevarajah3905

3 жыл бұрын

what do you mean?

correction at 32:07 its 5.28x10 -6 not 5.28x10-7 ???

1:10:18

41:21

🐐🐐🐐

@32:29 I thought for weak acids we can't assume concentration of H+ is equal to concentration of A-

@charlie9769

4 ай бұрын

Bit late but you cant assume that the conc of H+ is equal to HA because they don't fully dissociate but we can assume that the conc of H+ is equal to A- because all of the H+ in the solution came from the acid creating an equal amount of H+ and A-

31:44 lol how can people forget to square root the squared symbol

@marianna094

3 жыл бұрын

I have bad eyesight, okay?

mums life patterned me

@user-hj4sy2md9b

Ай бұрын

fr

@sussybaka8605

Ай бұрын

bruv am i cooked idk what topics to do

PlZ do a video on organic chemistry

@AlleryChemistry

4 жыл бұрын

Organic ones will start to come out on Saturday! 👍

@zeeshanali380

4 жыл бұрын

@@AlleryChemistry thnx a lot

Hi Sir James allery III, you made mistake L + ratio brother :)m