GCSE Chemistry - Addition Polymers & Polymerisation #56
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- čas přidán 16. 03. 2020
- This video covers:
- How the carbon carbon double bond allows alkenes to form addition polymers
- How to write reactions for polymerisation
- How to draw the monomers, polymers and repeat units
- The conditions for addition polymerisation
- How to name addition polymers
Exam board specific info:
AQA - Separate/triple science only
IGCSE Edexcel - Everything is relevant to your course!
Edexcel - Separate/triple science only
OCR 21st Century - Separate/triple science only
OCR Gateway - Separate/triple science only
Maths Playlist:
• GCSE Maths (9-1)
GCSE Chemistry playlist:
• GCSE Chemistry - Atoms...
GCSE Biology Playlist:
• Video
GCSE Physics Playlist:
• Video
that moment when a topic is explained better in a 7 min video than in a 2 hour lesson
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Mood
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2 months lesson* 💀
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How did it go
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three days before the exam😂 and this is last minute session
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Ah thank you so much Madeleine 🤩🤩 We wish you the best of luck with your exams!
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Thanks Zain, glad we could help 😊
If you’d like to practise what's covered in this video, check out the lesson on the Cognito platform - cognitoedu.org/coursesubtopic/c2-gcse-aqa-h-t_7.1. The platform’s totally free, and has been built to make learning and revision as easy as possible. The main features are:
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could you not draw out poly ethene while having just one carbon and two hydrogen atoms per repeating unit? and then have 2n to the right of the bracket instead of n. or is there some sort of rule that prohibits this?
what software did you use to make these notes?
will you get told which monomer it is/ the name of the monomer when writing out tht equation?
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Does bond angle matter in gcse
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شكرا هذا مفيد جدا
At 1:34 you said that it would take "forever" to draw out all the monomers, however this is not true, it would take a finite amount of time
🙄
Well spotted sherlock
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Does polymerization happen by involving other substance? Or it happen automatically when same monomers meet each other?
It does not need another substance to happen. Monomers (addition) have bonds that break open. There are now electrons willing to make bonds with anything. If they meet more monomers like theirs they are going to bind.
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no
Thxxxx soo much
This is a gift from god.
in 06:10 min isn't the molecule name 1-butene ( not just butene)???
So the polymer name will be poly(1-butene) ???
Am I right?
Hi, you could call it but-1-ene, and so poly(but-1-ene), but you don't always have to give that level of detail.
This video was like a light shining from the heavens 🤣🤣
thanks
Good luck for tomorrow's test lads
-12/06/2023
Good luck! :D
common cognito W
3:25 why are two of his hydrogen atoms at an angle, does it matter?
No.. You can just normally do that
Explained amazingly!!! 👌🏻👌🏻👌🏻
Watching this video just 1hr before my IGCSE Chemistry exam. So well explained, thanks team cognito for your effort❤️
is this for triple science??
Ye x
So basically I’m writing in 2 hours and here I am
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Yep had to fix some small errors! Usual service we’ll resume immediately 🧐
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if you visit his website linked in the description, his profile, and the end of the video, all the videos are listed by topic with practice questions :)
Cooolll
what do you mean by 'unsaturated'?
meaning that they have a carbon -_ carbon double bond . The term "unsaturated" means more hydrogen atoms may be added to the hydrocarbon to make it saturated
Unsaturated means that the carbon has a double bond (which is when it has the two lines in the middle of both the carbons) and this is what makes it an alkene. Saturated means that the carbon has a single bond which is what would make something an alkane-hope this was explained alright?
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Oh shush dude 😂, like you could help loads of people pass their GCSE’s by making amazing educational videos that aren’t just easy to understand but also explain a whole hours worth of a lesson in 5 minutes still with enough detail.
When asked to draw an additional polymer from a certain alkene monomer what is the least number of repeating units should I drawn
in 06:10 min isn't the molecule name 1-butene ( not just butene)???
So the polymer name will be poly(1-butene) ???
Am I right?
no