The Whole of AQA-THE RATE AND EXTENT OF CHEMICAL CHANGE. GCSE Chemistry Combined Science Revision C2
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- Опубликовано: 7 сен 2024
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PhET Interactive Simulations
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phet.colorado.edu
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here the night before my 'assessment' which is totally just gcses but more and earlier
SAME
True
same king rip my exams in literally an hour
here the night before my November mocks how great!
yep same here 1 year after you
@@uniquesomar1738 good luck you’ll do great!
I’ve got my chemistry mock tomorrow
@@ldg_stew7470 good luck mate if it makes you feel better I’m doing a level chem now don’t worry about it
SAMEEE 2 years after urs
4 exams left and I’m done🎉
Remember kids, if you fail the mocks I'm getting the glocks
@@naomib4016 how did it go then
@@naomib4016 yeah thats fair, cant say mine were great either
U just saved my life, Im so very grateful
Brilliant , everything I needed to know in a short video, very convenient for revision ☺️
You are the best revision source on RUclips hands down very great full 👏
You really out here saving my life
This helped a lot for my mocks I have in one hour
2021 assessment anyone??
Yeppppp
Ye
thankkkk youuu
here for my mocks in two months :(
lol mines tommorow
@@naomib4016 mines next week now, im so scared, also good luck!! 😭
Collision theory
Collide, reaction
High temp, high speed , high collection lots relation
Higher temp, faster rate of reaction . Because particles have more energy so move around faster lead to more sucessful collations
Powder more sucurface area
Larger surface area , faster rate of reaction this is because more particles avaibke to react leading to more collisions
Higher pressure/ cocnenatruon faster rate of reaction because more particles in a fixed volume so higher chance of collations
Calayalis lower activision
Reversible reaction
Cool
->
me understand now
becos u speak simple.
Mocks in week guys... Ima cry...
cheers
You're welcome!
Isn't endothermic reaction cooling it down because it is taking the energy from the surroundings
yeah endothermic takes in energy from the surroundings making the outside cool down and exothermic does the opposite
@TheTrebleCleff no endothermic absorbs energy so it cools down exo releases energy increasing temperature
Which one is it omg
@@bri8167 endothermic takes in heat and energy, cooling down the surroundings. Temperature decreases but internal energy store increases. Exothermic releases heat and energy, heating the surroundings. Temperature increases but internal energy store decreases.
Miss, why do we put a cotton bud as a barrier between the air and the content of the cronical flask?
in this type of reaction, the liquid "spits" which can escape from the flask if it were not for the cotton bud. thus it allows for the gases to escape, not the liquid.
edexcel please?
What did you add the marble chips into in the rate of reactions experiment with the inverted measuring cylinder? Was it hydrochloric acid or the sodium thiosulfate solution used before?
it was hydrochloric acid
Thank you
Big up the mr franks link
why do you have to draw a triangle for a tangent?
test in 9 hours, kill me now
lol yeah mine is at 1:20pm today
@@fazza2104 gl you two!
i will give me 2 hours
i hear a bee
Here the day before yr10 mocks, stress😳
7:07
hmmm, my mind when she said 'glue'
💀
is this only for combined science not higher?
Hi Jack David72, this covers both the content for combined science and separate science, If you're not sure which bit is which then I suggest you get my FREE revision guide from my website www.primrosekitten.com/collections which has everything clearly laid out for you
I ❤️ you
mock is tomorrow help
AQA do it
It’s never clear what’s foundation or higher. Only problem with these videos
if you have your specification you can make a list or check which you should or should not know :)
Ocr please
Hi catchmeoutside howboutdat, this is on my list of things to do and I promise it's coming soon!
look at this 3 yr old gem 😂
Look at this 6 yr old gem💎
wait this isn't freesciencelessons :(
it’s better