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Chemistry GCSE AQA

For the chemistry AQA Paper 1, do we need to know about Avogadro’s constant?
Yeah I do triple higher and we need to know that.so only learn it if your doing triple higher
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Bunny :)
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Original post by Sehar.k101
Yeah I do triple higher and we need to know that.so only learn it if your doing triple higher


How much of it? I just tried to watch a video on it but it really confused me :-/
All of it use free science lessons on YouTube
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Bunny :)
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Original post by Sehar.k101
All of it use free science lessons on YouTube


That’s the one I tried to watch... I’m panicking.
The exam is in two days don’t worry
Or you can watch Tyler DeWitt's videos - more thorough
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Bunny :)
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Original post by Sehar.k101
All of it use free science lessons on YouTube


That’s the one I tried to watch... I’m panicking.
https://www.youtube.com/watch?v=dAwROBih5Dw

Might be helpful :smile:
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Original post by ohdearstudying


Thanks very much! :smile:
Reply 10
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pmx77
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Could someone please explain endothermic and exothermic reactions cause I'm a little bit confused
Reply 11
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Nelzex
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avogadros constant is how many atoms there are in a mole of a substance e.g
(6.02x10^23) <---- avogadros constant , so for 1 mole of a substance there is 6.02x10^23 atoms
Do we have to memorise the reactivity series cos i swear we're not getting those sheets this year
Original post by roadrunner98
Do we have to memorise the reactivity series cos i swear we're not getting those sheets this year


Yes we do, sadly.
Original post by ohdearstudying
Yes we do, sadly.

:frown: Do you have any tips or any mnemonics to help me remember the series?
Original post by roadrunner98
:frown: Do you have any tips or any mnemonics to help me remember the series?


honestly. i haven't learnt it myself. Seneca and Tassomai are my only suggestions. I really am sorry
Original post by ohdearstudying
honestly. i haven't learnt it myself. Seneca and Tassomai are my only suggestions. I really am sorry


It's fine. Thanks for the websites

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