3 ай бұрын
3 ай бұрын
3 ай бұрын
3 ай бұрын
3 ай бұрын
3 ай бұрын
Пікірлер
@GCSESahr1508 16 сағат бұрын
Monkeys eat peanut butter
@ar-mo7xc 18 сағат бұрын
Really appreciate what you do for a-level students. Please keep it up because I really love your videos 😊❤
@heardukey 19 сағат бұрын
the goat is back
@AmilRegi Күн бұрын
really helpfull
@JOY_MYAAA 2 күн бұрын
Great help! But kindly check the values for the first and fourth questions. I think there may be an error.
@user-se9kc6fo5t 5 күн бұрын
can you post the answers for half equations practice?
@DrdeBruinsClassroom 4 күн бұрын
Are the answers not all in it video?
@rositamohanty9664 7 күн бұрын
Shouldn't it be conjugate base [A-]/weak acid [HA]?
@Study_account1603 8 күн бұрын
Hi, if I learn EVEYRTHING in the GCSE QUANTITAVE CHEMISTRY playlist (that you made), will I be set for all questions from this topic? This is because I find it very hard to 'work it out', unless I know how to do it. BTW, I am predicted a 9 in GCSE CHEMISTRY (and in all the three sciences and maths), but it gets really confusing if you don't know what to do!
@OliverClarke-l1w 10 күн бұрын
Got my results for science, got a 9-8 on combined Aqa, thank you for all the support from your videos, made me realise I could do better than just passing
@DrdeBruinsClassroom 9 күн бұрын
Nice work!
@NJxD519 19 күн бұрын
Thanks
@samuelajigboye7094 21 күн бұрын
U just saved my exam, thank you😊
@samikshasubramaniam5232 Ай бұрын
Thankkk uuuu u really helped me so muchhh✨
@shinninglightministry7050 Ай бұрын
Why are multiplying by 2?
@DrdeBruinsClassroom Ай бұрын
Because that's the ratio that the molecules react with. Two moles of methane react with one mole of oxygen.
@benyaminkeivany3026 Ай бұрын
I am stressed because I cannot remember if I used a Frixion pen or not.
@DrdeBruinsClassroom Ай бұрын
I mean, this video pretty clearly shows that the frixion pen was fine so surely it should make you LESS stressed?
@benyaminkeivany3026 Ай бұрын
@@DrdeBruinsClassroomI mean people have been saying they used it previously in their exams and all their work was erased.
@WillBetts-xg4yq 2 ай бұрын
gas to solid is deposition, liquid to gas is sometimes vaporising
@DrdeBruinsClassroom 2 ай бұрын
Weirdly AQA don't put deposition in the spec, and they always describe liquid to gas as boiling or evaporating, not vaporising
@d0gegaming673 2 ай бұрын
What the sigma gyatt!!!
@idontknowwhattonamethis75h82 2 ай бұрын
Hey miss I did half my a level paper in blue pen, do you think I will get full credit for the stuff I wrote, I am kinda stressed about it
@DrdeBruinsClassroom 2 ай бұрын
Nobody is going to intentionally not mark your work. The issue is that blue pen (especially light blue pen) doesn't scan so well so it makes it harder to make out what you've said (rather like having bad handwriting). If it's a decent navy biro, you'll still be fine
@stdysteph 2 ай бұрын
Thank you!!
@user-hj4sy2md9b 2 ай бұрын
good luck today!! i’m terrified haha
@jillian9098 2 ай бұрын
Could you make a detailed video on shapes of molecules? It’s missing from your bonding playlist 😔 I’d rly appreciate it!
@siraj6891 2 ай бұрын
Icl Qasim get a job
@sxftz1347 2 ай бұрын
free quasim
@adammasood7086 2 ай бұрын
what did Qasim do😭
@siraj6891 2 ай бұрын
Qasim lock in don’t look at comments
@sxftz1347 2 ай бұрын
💀
@adammasood7086 2 ай бұрын
can you tell us what grade Qasim gets in august ?
@Faran-nl4bc 2 ай бұрын
@@adammasood7086i got you bro dw
@siraj6891 2 ай бұрын
Qasim pattern up
@siraj6891 2 ай бұрын
Qasim
@persis1683 2 ай бұрын
Could I instead of saying the alcohol will turn green say that the ketone remains orange
@JonathanBlack-gc1ch 2 ай бұрын
ye
@edwardwilkinson4319 2 ай бұрын
yeah ill put in a good word for you with the man in the sky
@tim3898 2 ай бұрын
im pretty sure de bruin is the man in the sky
@lucennass 2 ай бұрын
hiya, when (if you ever would) would you add ninhydrin?
@ella_mcgov2013 2 ай бұрын
You can spray it over at the end I believe
@afro117icarus5 2 ай бұрын
Yeah you can spray it to be able to see the spots around when UV is about to be shone
@Gob_123 2 ай бұрын
Paper 1 and 2 went so bad I think I’ll be having to resit. Hopefully I can make it up a bit with paper 3
@Tsy172 2 ай бұрын
ennit man exact same thing.. i might have to take Gap year and resit cuz paper 2 went really bad but hopefully I can bring it back tommorow. Biology went decent for me but its just Chem
@Gob_123 2 ай бұрын
@@Tsy172 bio and chem went pretty bad but I’ll see what I end up getting and just resit if I have too.
@yousufrahman 2 ай бұрын
nah have faith that you can clutch up and firm it
@Gob_123 2 ай бұрын
@@yousufrahman I wish I could think like that but I highly doubt it b
@kash5166 2 ай бұрын
thanks for lowering grade boundaries ily
@syyahahhs6353 2 ай бұрын
could i reduce ketone back to a secondary alcohol and then do the acidified potassium dichromate test and since tertiary doesnt reduce it will be identified
@IA-wq4gj 2 ай бұрын
Hi, how would i know whether to write this practical or practical 7A when asked the question as this question looks similar to practical 7A question as they both ask for order, so how would i know whether to describe continuous monitoring experiment or order via initial rate experiment when asked a similar question. please get back to me, Thank you very much.
@mohammedseedat8637 2 ай бұрын
If you got a gas In the reaction, your gonna use a gas syringe so it’s continous monitoring method, a lot of times in the question it will tell you whether it’s initial or continous if not look at whether there’s a gas in the equation
@aaliyah1670 2 ай бұрын
@@mohammedseedat8637 am i right in saying we can calc rate via intial method for continous monitoring too? as in calc the gradient at t=0 for each conc?
@ahmedmustafa7753 2 ай бұрын
do you not need to rinse the pipette with the acid and conical flask with water to remove contaminations?
@DrdeBruinsClassroom 2 ай бұрын
I've never seen it in a mark scheme, probably because realistically you put your CF and pipettes through the dishwasher so they're fine but it's the burette that get poorly rinsed by hand that give you trouble
@ahmedmustafa7753 2 ай бұрын
@@DrdeBruinsClassroom thank you
@genjswrld 2 ай бұрын
Hi Miss can you talk through some of the 6 markers that came up, I was really baffled by them.
@DrdeBruinsClassroom 2 ай бұрын
Unfortunately not. The papers are meant to be secure until next May and I would rather avoid AQA shutting down my challenge for breaking that 😭
@hbanksy 2 ай бұрын
Thanks so much for these videos, these will really help for the paper 3 :)
@DrdeBruinsClassroom 2 ай бұрын
You're very welcome
@milliedodd3127 2 ай бұрын
could you not use sodium + squeky pop test for the tertiary alcohol???
@DrdeBruinsClassroom 2 ай бұрын
Tertiary alcohols don't react with sodium
@omsharfmohamedali550 2 ай бұрын
will u be doing this for paper 2
@Gob_123 2 ай бұрын
If I just learn these steps will that be enough for me to do any questions. Like I can just work out what the gaps will be or can write these same steps for a different question along with drawing the apparatus.
@DrdeBruinsClassroom 2 ай бұрын
There are other things you could be asked, but I'd say this is a very good first step!
@Gob_123 2 ай бұрын
@@DrdeBruinsClassroom thank you. I really struggle with paper 2 and the exams in two days so just hoping the papers not to bad.
@emily-dc8cj 2 ай бұрын
oh my gosh THANK YOU!!! rearranging this equation has been the bane of my existence for this entire A level and it finally makes sense!
@DrdeBruinsClassroom 2 ай бұрын
That's what we like to hear!
@NexaaAI 2 ай бұрын
Your so amazing bro🎉
@moulikarora7890 2 ай бұрын
Hi I have a question regarding AQA GCSE Physics Paper 2 topic Waves required practical on infrared. If the 6 mark is how we check emission of infrared, will we talk about the Leslie Cube practical and how to set it up with the safety precautions and errors students can make. And if the 6 marker is on absorption and emission, we talk about both Leslie cube and metal plates Vaseline practical right?
@kai.mitchelle5182 2 ай бұрын
Could you draw and label the apparatus for 6 marks?
@bwjt5656 2 ай бұрын
I’m gonna for reflux or distillation
@bwjt5656 2 ай бұрын
I’m gonna for reflux or distillation
@shanuarora9110 2 ай бұрын
Hi, I was wondering if you could type up a 6 mark model response to a question on AQA GCSE Physics Paper 2 Topic Waves. Please could you type a model response on the required practical in the waves unit on using a Leslie Cube to detect infrared.
@RSS1350 2 ай бұрын
Could you not use the fingerprint region to find out which is pentan-2-one and 2-methylbutan-2-ol?
@DrdeBruinsClassroom 2 ай бұрын
You can, but fingerprinting is way more time consuming than looking for big peaks
@henryindia8195 2 ай бұрын
is it even worth trying to go for full marks in these questions... seems like a waste of time in the exam
@DrdeBruinsClassroom 2 ай бұрын
I agree they can be a time sink but you can also get full marks in a handful of lines. My biggest tip is try to figure out what the 3 "stages" are
@henryindia8195 2 ай бұрын
@@DrdeBruinsClassroom okay thank you for the reply :)
@ra-ty7wd 2 ай бұрын
This is amazing please make one for paper 2!!
@A-jx9ib 2 ай бұрын
why does butanone only have van der waals and not dipole-dipole interactions
@DrdeBruinsClassroom 2 ай бұрын
It doesn't. I just had a moment of madness and missed out "and dipole-dipole interactions"
@urbanfox5992 2 ай бұрын
so how did you pass your exams? Me: Dr Bruin
@sheilabirling 2 ай бұрын
thank you soooo much! you are really saving me❤❤
@annagorshkova6660 2 ай бұрын
really great video, you are saving my gcse but at 35:05 I thought EM waves travel at 3 x 10^8 not 3 x 10^6. Sorry if I'm wrong
@DrdeBruinsClassroom 2 ай бұрын
You're right and that's the second time I've made that mistake this week :-/