Electrode Potentials and Cells - Everything You NEED To Know|AQA A Level Chemistry

Watch this on 2x speed :)
Paper 3 Question: • Electrode Potentials (...
This video is intended to be an ultimate guide and revision on 3.1.11.1 Electrode potentials and cells
of the 3.1.11 Electrode potentials and electrochemical cells topic for the AQA A-Level chemistry specification. The aim of this video is to help all of you revise and prepare for your paper 1 and 3 exams.
👍 If you want to improve your grades and see more content like this - like, share, and subscribe to the channel! 📈
⏱ In this video we cover:
3:46 - Drawing electrochemical cells
11:54 - Redox and equations
22:49 - IUPAC cell notation
32:03 - Standard Hydrogen Electrode
43:44 - Standard electrode potential
46:12 - Calculations
1:07:58 - Changing conditions - conc. and temp.
1:14:20 - Test yourself - practice questions
📝 Resources 📖
- AQA specification:
filestore.aqa.org.uk/resource...
- chemrevise.org
- www.chemguide.co.uk/index.htm...
📚 Although this tutorial focuses on AQA, the concepts covered here are also applicable to other exam boards, such as OCR and Edexcel

Пікірлер: 145

  • @gorgeousss9014
    @gorgeousss9014Ай бұрын

    Finally understand this topic literally 2 days before the exam thank youu

  • @editor7354

    @editor7354

    Ай бұрын

    Ccea😂

  • @maymuunyousuf9552

    @maymuunyousuf9552

    Ай бұрын

    the last min squad 😅😅good luck to us tmr

  • @jennaaa-21

    @jennaaa-21

    Ай бұрын

    @@maymuunyousuf9552 glll !

  • @miniminnstrels4655

    @miniminnstrels4655

    Ай бұрын

    @@maymuunyousuf9552 literally 😭😭😭

  • @ra-ra1317

    @ra-ra1317

    Ай бұрын

    i only found his account today 1 day before my exam

  • @x_exa_x
    @x_exa_x Жыл бұрын

    an honest lifesaver can't thank you enough, good luck to everyone doing it tomorrow like me 🙏

  • @larinaagezailia6929

    @larinaagezailia6929

    Жыл бұрын

    goodluckk

  • @x_exa_x

    @x_exa_x

    Жыл бұрын

    @@larinaagezailia6929 good luck to you too 🙌

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    Good luck Ehsan! :)

  • @bird7323

    @bird7323

    Жыл бұрын

    Same here good luck

  • @easymodeexams33
    @easymodeexams33 Жыл бұрын

    Watch this on 2x speed if u can :) GO GO GO! btw, I left off the salt bridge in my diagrams discussing the standard hydrogen electrode since I was focussing on that half cell only, but you need to include the salt bridge between the beakers in every single cell diagram.

  • @faizananwar571

    @faizananwar571

    Жыл бұрын

    Maybe 1.25 2x is madness

  • @RingsideReels

    @RingsideReels

    Жыл бұрын

    3x speex

  • @E.hmiles

    @E.hmiles

    Жыл бұрын

    Actually did this and got it done in half the time, still made perfect sense. My adhd got me clutched up

  • @concreet9043

    @concreet9043

    Жыл бұрын

    I am doing, thank you!

  • @trxnqui
    @trxnqui3 ай бұрын

    I love jack sm. I don't see any other chem youtubers analysing past papers and making vids predicting future paper topics and making such easy to understand vids on electrode potentials and just wow so yeah bro takes his stuff seriously

  • @easymodeexams33

    @easymodeexams33

    Ай бұрын

    😂 thanks trxnqui

  • @editor7354
    @editor7354Ай бұрын

    Ur a lifesaver dude. Best video on it yet

  • @jeenieyas
    @jeenieyasАй бұрын

    thank youuu!!!! this topic i probably will never fully understand but now thanks to your video i can hopefully gain a few marks here and there 😅

  • @alexbesimming5835
    @alexbesimming5835 Жыл бұрын

    3:46 Drawing electrochemical cells 11:54 redox and equations 22:49 Cell Notation 32:03 Standard Hydrogen Electrode 43:44 Standard electrode potential 46:12 calculations 1:07:58 Changing concentrations 1:14:20 test yourself - practice questions

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    Damn, thanks for this man, legend!! I've been busy and haven't had time to make the timestamps, I will add them to the description ♥ :)

  • @banitasehra7480

    @banitasehra7480

    Жыл бұрын

    My exam is tomorrow, and this is the first time I’ve seen this channel. 😭😭 Ultimate Life saver. Gotta watch these videos properly for paper 2 and 3 Looking like a 5:00am start tomorrow 💀💀💀

  • @SolonaPump

    @SolonaPump

    Жыл бұрын

    @@banitasehra7480 same

  • @merit5448
    @merit5448 Жыл бұрын

    this TOPIC has been haunting me and I've been avoiding it since I struggle with it so badly... THANK YOU! (good look everyone :))

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    A lot of people struggle with it a lot, but hopefully this helped out, even a little bit :) good luck for tomorrow!

  • @jasraj155
    @jasraj155 Жыл бұрын

    Last minute squad wya??

  • @AcryllixGD
    @AcryllixGD Жыл бұрын

    THANK YOU THIS IS LITERALLY THE ONLY TOPIC I CAN NOT WRAP MY HEAD AROUND THE GOAT OF AQA CHEMISTRY VIDEOS

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    haha thanks :) good luck for tomorrow!!

  • @melaniem7371
    @melaniem7371 Жыл бұрын

    Came in clutch I'm revising this rn

  • @irrelevance3859
    @irrelevance3859 Жыл бұрын

    Absolute saviour. I’m so disappointed I didn’t find your channel earlier in the year. Keep up!

  • @ytasd4467
    @ytasd4467 Жыл бұрын

    This is such a good video, unfortunate that ur channel only popped up on my recommended the night before the exam but oh well

  • @faizananwar571

    @faizananwar571

    Жыл бұрын

    Same bro if I had this guy’s videos during the months of my revision I’d be op at chem

  • @kizzy8081

    @kizzy8081

    Жыл бұрын

    Fr this guys goated, I found him to late tho

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    'op at chem' never thought I'd hear that in a sentence lol. good luck for tomorrow!

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    thnx man, hopefully u find some of my other vids useful for paper 2. Good luck for tomorrow :)

  • @banitasehra7480

    @banitasehra7480

    Жыл бұрын

    @@faizananwar571same!

  • @yxsm7n
    @yxsm7n Жыл бұрын

    ur the love of my life thank you

  • @arjunbhatti7324
    @arjunbhatti7324 Жыл бұрын

    easy way to remember cell notation is ROOR R= reduced O= oxidised

  • @ET-ek7ok

    @ET-ek7ok

    Жыл бұрын

    thanks :) gl

  • @x_exa_x

    @x_exa_x

    Жыл бұрын

    in terms of remembering like what oxidation and reduction are and what oxidising and reducing agents do, remember OILRIG- oxidation is loss (of electrons) reduction is gain

  • @fracture962
    @fracture962Ай бұрын

    Really good video, explains everything so easily💪

  • @Issy_A
    @Issy_A18 күн бұрын

    Thank you so much. Needed this a few hours before my exam at 9am!

  • @malaikhudin3960
    @malaikhudin3960 Жыл бұрын

    Chemistry exam is tmrw😭 I’m watching your videos last minute, if you have anymore you can upload by today please do, they really help tremendously.

  • @rosegold2072

    @rosegold2072

    Жыл бұрын

    You planning on doing an all nighter? 😂

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    good luck man! I don't have anymore to upload sorry, the longer ones take like 18+ hours start to finish

  • @pinkprincesscastle

    @pinkprincesscastle

    Жыл бұрын

    @@rosegold2072 i am lmfao

  • @rosegold2072

    @rosegold2072

    Жыл бұрын

    @@pinkprincesscastle I tried that with my math exam and lets say it's probably better for you to get some sleep, though while saying this I was supposed to be asleep a few hours ago, guess i didn't learn my lesson 😂

  • @pinkprincesscastle

    @pinkprincesscastle

    Жыл бұрын

    @rosegold2072 ahahah valid, id only get around 4 hours of sleep tho ngl & since its a morning exam i dont mind too much, im just gonna pass out right after 😂😂

  • @_.shxy._x4639
    @_.shxy._x46398 ай бұрын

    Thank you, this really helped me to understand this topic well. Much appreciated.

  • @easymodeexams33

    @easymodeexams33

    8 ай бұрын

    no worries, happy to help :)

  • @concreet9043
    @concreet9043 Жыл бұрын

    I wish I'd found your channel earlier! Only discovered it in the last week but it's helped a lot. Keep up the good work!

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    thnx! I'm glad it's helped you out man :)

  • @ET-ek7ok
    @ET-ek7ok Жыл бұрын

    Thanks this helped a lot you have a great way of simplifying things.

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    thanks, glad it helped! :)

  • @giovannipaoloboyd-trevisan752
    @giovannipaoloboyd-trevisan75210 ай бұрын

    this is an amazing channel with absolutely fantastic lessons.TYSM

  • @easymodeexams33

    @easymodeexams33

    9 ай бұрын

    Thanks! Happy to help :)

  • @iknowimwrongbut4491
    @iknowimwrongbut4491 Жыл бұрын

    YESSS THANK YOU JUST IN TIME FOR THE PAPER 😭😭what a legend thank youuuuu

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    no worries! sorry it was so last minute haha, took ages to make

  • @iknowimwrongbut4491

    @iknowimwrongbut4491

    Жыл бұрын

    @@easymodeexams33 noo honestly what a great vid, I just finished the vid on 2 times speed now, covered so much in such a short time which is really useful

  • @alexbesimming5835
    @alexbesimming5835 Жыл бұрын

    Good luck in paper 1 tomoz, everyone 💗💗

  • @thebigeparr272
    @thebigeparr272 Жыл бұрын

    37:51 bro said sigma and my immediate thought was: "WHAT IS THAT MELODY??"

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    too much OW 😂

  • @Emily-su2dh
    @Emily-su2dh29 күн бұрын

    Thank you so much! Exam in the morning eeeek

  • @ZoePhillis
    @ZoePhillis Жыл бұрын

    this saved me so much today thank you !!!!

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    happy to help :)

  • @asiyab6754
    @asiyab6754 Жыл бұрын

    thanks for this

  • @aduraking2323
    @aduraking2323 Жыл бұрын

    Thank youuu Ive literally gone through all your videos on 2x, wish I found you earlier 😭😭😭

  • @raquelchan9677
    @raquelchan9677 Жыл бұрын

    U ARE ACTUALLY DOING GODS WORK

  • @jahanzaibullah9098
    @jahanzaibullah90982 ай бұрын

    thank you man you the goat 🐐🐐

  • @easymodeexams33

    @easymodeexams33

    Ай бұрын

    no worries bro

  • @DebbieAustin-ug4er
    @DebbieAustin-ug4er3 ай бұрын

    Ya such a good teacher ,i understood everything perfectly 😊😊

  • @easymodeexams33

    @easymodeexams33

    3 ай бұрын

    great :)

  • @deenex
    @deenex4 ай бұрын

    Thankssss

  • @aminabare2484
    @aminabare2484 Жыл бұрын

    U saved me and fatmas a level THANK YOU

  • @fatmaa8979

    @fatmaa8979

    Жыл бұрын

    REALL

  • @marissa4154
    @marissa4154 Жыл бұрын

    thank you!!

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    good luck for tomorrow!! 😁

  • @shazaaaxx
    @shazaaaxx Жыл бұрын

    Thank youuuu

  • @x_exa_x

    @x_exa_x

    Жыл бұрын

    u aqa chemistry?

  • @eyeshurrr
    @eyeshurrr Жыл бұрын

    thank u sm i finally understand this topic and my exam is tmrw 😭

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    I'm really pleased it helped u understand it better 😊 good luck tomorrow!!!

  • @user-vi1fy7mh3q
    @user-vi1fy7mh3q Жыл бұрын

    Could you make a video on topics we should focus on for an A/A* for paper 2?

  • @saddish2816
    @saddish2816Ай бұрын

    where do i learn fuel cells

  • @aarijkhan8093
    @aarijkhan80937 ай бұрын

    Thanks for this! Will you be uploading the fuel cell bit of this topic in a seperate video? Thanks

  • @easymodeexams33

    @easymodeexams33

    5 ай бұрын

    yep :)

  • @hannahrafique9537
    @hannahrafique9537 Жыл бұрын

    tysm for this, i am so scared for tomorrow i hope the questions are nice, and not like the ones from 2019 otherwise i can kiss my uni place goodbye lmaoo

  • @ghostty6712
    @ghostty671229 күн бұрын

    LEGEND!

  • @lol.1296

    @lol.1296

    29 күн бұрын

    good luck tmrw g😂

  • @KilshotMawo
    @KilshotMawoАй бұрын

    u have gained yourself a subscriber

  • @easymodeexams33

    @easymodeexams33

    Ай бұрын

    thnx

  • @jessicaj1
    @jessicaj1 Жыл бұрын

    Hi I understand your videos very well and thank you very much for your time!! Are there videos you recommend watching to be better with redux and oxidation?

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    You're welcome, I'm glad they helped u understand :) I I have not made any videos on redux and oxidation yet and I am not sure of any specific videos on youtube, sorry. Try your best to search and see what you find :) good luck!

  • @ella_mcgov2013
    @ella_mcgov2013Ай бұрын

    The alevel chemistry students are gonna start flooding back soon

  • @easymodeexams33

    @easymodeexams33

    Ай бұрын

    hahaha you know it, 1 day before paper 1

  • @user-rj7mq3cd8t
    @user-rj7mq3cd8t Жыл бұрын

    everyone wishing they watched this before taking the chem paper today. this came up for 2 whole questions of the paper... (everyone is me)

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    hahaha I loved the 'everyone is me' at the end

  • @luliayousef528
    @luliayousef528 Жыл бұрын

    thank you so much my exam is tomorrow

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    no worries, good luck!!!

  • @bircansac7675
    @bircansac7675 Жыл бұрын

    Thank you so much for all the efforts 🫶🏻🫶🏻

  • @khan99ish
    @khan99ish4 ай бұрын

    Can this video be used for the OCR A spec as I find your videos very useful?

  • @easymodeexams33

    @easymodeexams33

    4 ай бұрын

    Yeah should be bro, but just double check that section in the OCR A spec to see if anything is missing/not required

  • @jameslee3914
    @jameslee3914 Жыл бұрын

    hi sir, can you videos on aromatic chemistry, amines and proteins (DNA)?? . Videos have been very helpful.I think i did a pretty good job on paper 1

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    I'm glad they helped you out with paper 1 :) I may not have time to make the 'everything you need to know' style videos this week, but I have some aromatic chemistry and amino acids past paper question walkthroughs on my channel, hopefully they're useful

  • @joshfc777
    @joshfc777 Жыл бұрын

    I love you

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    hahaha thnx

  • @hannahrafique9537
    @hannahrafique9537 Жыл бұрын

    GOOD LUCK EVERYONE

  • @MA-ph1zg
    @MA-ph1zg Жыл бұрын

    hello sir, would you do a topic focus video for AQA a level chemistry / Biology paper 2 like how you did for paper 1 chemistry last week?

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    I don't have time for bio papers atm sorry, but I posted chem paper 2 yesterday :)

  • @imma_eatjin
    @imma_eatjin Жыл бұрын

    1:24:37 would you have to mention that both the NO3- and H+ can oxidise Cu and not just the NO3-? i did see something like that in a markscheme

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    I don't think so, this question came from paper 3 2020, question 6.4, and they only mention the NO3- ion in the mark scheme (in the second column)

  • @Panbxb
    @PanbxbАй бұрын

    1:25:00 the last equation was the product meant to be NO3 ?

  • @IslaKrista

    @IslaKrista

    Ай бұрын

    no because it says the product formed was NO, which is a nitrogen oxide seen in the table; NO3 is nitrate and has 3 oxygens bonded to a nitrogen and NO^3- is one nitrogen bonded w one oxygen w an overall 3- charge

  • @Dream_Sc4pe
    @Dream_Sc4peАй бұрын

    hi sir, at 41:41 you seperated the H2 gas and pt electrode with a line but i thought the line only applied to a change in phase whereas both pt and H2 are in the gas phase so shouldnt they be seperated by a comma ? many thanks

  • @easymodeexams33

    @easymodeexams33

    Ай бұрын

    Hey, why would platinum be a gas? Unless I missed something

  • @Dream_Sc4pe

    @Dream_Sc4pe

    Ай бұрын

    @@easymodeexams33 oh my bad i thought it was i forgot it was a solid. srry about that

  • @easymodeexams33

    @easymodeexams33

    Ай бұрын

    @@Dream_Sc4pe No worries at all :) Good luck!

  • @Blxq
    @Blxq Жыл бұрын

    God bless ❤

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    good luck tomorrow! 😊

  • @Blxq

    @Blxq

    Жыл бұрын

    @@easymodeexams33 thank you 🙏

  • @texnix4360
    @texnix43602 ай бұрын

    Bro came in, saved my life, left to save some more.

  • @easymodeexams33

    @easymodeexams33

    2 ай бұрын

    😂😂

  • @fx22222
    @fx22222 Жыл бұрын

    25:15 why did you write CuSO4 in the diagram but Cu2+ in the cell notation ?? :)

  • @divinexjoy

    @divinexjoy

    Жыл бұрын

    Because if you slipt the ions in CuSO4, you will get Cu2+ and (SO4)2-. Let me know if that makes sense

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    CuSO4 would be the full reagent, in case you need to name it in the exam, but the ion we are concerned with is the Cu2+ only (same for Zn2+ and other metals), we pretty much don't care about the SO42-

  • @upsetstalin2599
    @upsetstalin2599 Жыл бұрын

    Please can you drop the “focus on” topics for paper 2

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    done :)

  • @drneutro369
    @drneutro3693 ай бұрын

    Bro your channel is great can i use this to learn the topic from scratch, my teacher is bad

  • @potati4097

    @potati4097

    2 ай бұрын

    same 😂he's the reason why my class still are bad at year 1 topics

  • @easymodeexams33

    @easymodeexams33

    Ай бұрын

    thnx bro :) yh u can use to learn from scratch, just make sure u understand year 1 redox first

  • @rsssfgr1374
    @rsssfgr1374 Жыл бұрын

    Leaving this super late bro lmao

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    lol i know, soz it's so last minute, I made it cuz I got lots of requests for it but it just took so long to make and edit together, and then over 6 hours to render 😅 I hope u find it helpful anyways

  • @banitasehra7480

    @banitasehra7480

    Жыл бұрын

    @@easymodeexams33naaa but, better late than never

  • @rsssfgr1374

    @rsssfgr1374

    Жыл бұрын

    @@easymodeexams33 still usefull man frfr i aced that test and alot of it was electrochemical cells so thanks

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    no worries :)

  • @user-nd7dc9ww3f
    @user-nd7dc9ww3f Жыл бұрын

    what about fuel cells?

  • @easymodeexams33

    @easymodeexams33

    Жыл бұрын

    I mentioned at the start of the video that it won't include the electrochemistry fuel cell/rechargable/non-rechargeable cell section of the AQA spec. This video was already long enough and I didn't have the time, sorry. Good luck for tomorrow! :)

  • @alaziziomar_
    @alaziziomar_3 ай бұрын

    "redox on steroids" 💀

  • @easymodeexams33

    @easymodeexams33

    Ай бұрын

    that's exactly what it is 😂

  • @neec1234
    @neec12346 ай бұрын

    not all heroes wear capes

  • @easymodeexams33

    @easymodeexams33

    6 ай бұрын

    😂😂😂

  • @lalala-sf8yv
    @lalala-sf8yvАй бұрын

    thanks sooo much🙏🏻🙏🏻🙏🏻🫶🏼🫶🏼 you helped me a lot

  • @easymodeexams33

    @easymodeexams33

    Ай бұрын

    no worries, glad it helped u out :)