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What is Kw (The Ion Product Constant of Water) 

chemistNATE
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What is Kw? What does it actually mean? How does it change with temperature? All of the answers to this are related to EQUILIBRIUM.
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28 сен 2024

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Комментарии : 78   
@jayasrithanjavuru1991
@jayasrithanjavuru1991 5 лет назад
But I want to know how to find the value of kw of water at certain temperature
@ok-kf9bw
@ok-kf9bw 3 года назад
You can find H+ and OH- concentration and multiply them or Ki*H2O concentration
@hajidalkindi8792
@hajidalkindi8792 3 года назад
@@ok-kf9bw dude his comment was 2 years ago
@qzwxecrvtbynumi256
@qzwxecrvtbynumi256 3 года назад
@@hajidalkindi8792 dude his comment was 2 months ago
@Arthur-so2cd
@Arthur-so2cd 3 года назад
@@qzwxecrvtbynumi256 dude this comment was 1 week ago
@mastermind2971
@mastermind2971 2 года назад
@@Arthur-so2cd dude this comment was 6 months ago
@aldoriarobichaud9221
@aldoriarobichaud9221 11 лет назад
This is a great video. "Pretty cool, huh?" lol, made me laugh.
@Alive4Metal
@Alive4Metal 10 лет назад
I was hoping for an explanation on what the concept of Kw actually means.... not all that impressed by being told to simply "accept it"
@chemistNATE
@chemistNATE 10 лет назад
Alive4Metal Good feedback. I should re-shoot this one. Stay tuned !To answer your question right now, it so happens that [H+] and [OH-] are produced in pure water at 1x10^-7 mol/L. This number changes with temperature. So, using Keq = [H+][OH-], we get a Keq of 10^-14. We call it Kw though
@robbierotten2024
@robbierotten2024 5 лет назад
It’s the rate at which water auto-ionizes. So the rate at which water will decompose into H3O+ and OH-, and also the speed of the reverse reaction. This is why water is neutral, because the charges of H3O and OH- cancel each other out, and there are always equal amounts created and reformed at all times. That’s the best explanation I got.
@Mary-gr3mr
@Mary-gr3mr 3 года назад
i paid attention the entire time . Thank you !
@Chelsea-gs7qj
@Chelsea-gs7qj 7 лет назад
Most of you people are complaining even though I'm sure you learned something. It's a youtube tutorial and he tutored what the title promised. Your complaints are ridiculously childish especially considering most of you were only here because you're too lazy to open your gen chem book. Nice video man, I appreciate the enthusiasm.
@YouDoNotNeedToKnow02
@YouDoNotNeedToKnow02 7 лет назад
Verdict: "prettttyyyyy cooooolll"
@annieyu5740
@annieyu5740 4 года назад
thanks Nate
@cabrakan0883
@cabrakan0883 6 лет назад
Grow up people! It’s a great video!
@nickveretin4766
@nickveretin4766 2 года назад
You try to give the video more brightness it will be great if you do
@Ethan-bx9yp
@Ethan-bx9yp 2 года назад
ratio
@ThoseNigerianTwins
@ThoseNigerianTwins 4 года назад
thnks!!
@mcdckid
@mcdckid 7 лет назад
Great video
@zomblyacopalypse6469
@zomblyacopalypse6469 4 года назад
Thank you, that was really helpful, but you speak way too slowly, I played the video at 2x speed and still found it slow
@elenawinchester9377
@elenawinchester9377 4 года назад
u are so cool haha love this vid!!
@mrhacker6314
@mrhacker6314 4 года назад
Unit
@chanreagan9149
@chanreagan9149 11 лет назад
"Cause that's ok!"
@ferryjansen1080
@ferryjansen1080 10 лет назад
Kd
@hiba-bl9bz
@hiba-bl9bz 6 лет назад
🌸🌸🤗
@roselynamamangpang8985
@roselynamamangpang8985 7 лет назад
YEah 😂
@AvniKulshreshtha
@AvniKulshreshtha 7 лет назад
Poor explanation and many mistakes too !
@RimazAboelgasim
@RimazAboelgasim 5 лет назад
I love your enthusiasm! Keep up with these videos! Love from London 😅🙋
@nil4384
@nil4384 10 лет назад
Thank you for speaking like that in every video because it helps us non native english speakers to understand unlike other channels who speaks so fast that we cant understand even with the help of CC
@DimesAndNichols
@DimesAndNichols 7 лет назад
paper not as crisp? unsubscribed!
@Chelsea-gs7qj
@Chelsea-gs7qj 7 лет назад
Thanks for the announcement but no one cares.
@Wolf--zr2nf
@Wolf--zr2nf 4 года назад
@@Chelsea-gs7qj he was joking..
@curetonbenares9236
@curetonbenares9236 4 года назад
@@Wolf--zr2nf about 3 years too late lol
@Ms.HotSauce
@Ms.HotSauce 11 лет назад
you are "PRETTY COOL!" :D hahaha I LOVE YOU!
@sagala40
@sagala40 11 лет назад
simple & to the point--- perfect explanation!!
@apearson79
@apearson79 5 лет назад
So helpful! There are SO.MANY.CONSTANTS it's maddening trying to remember, but having someone step back and give the big picture makes it muuuch better!
@constancewayne3438
@constancewayne3438 6 лет назад
This actually helped, Thank you!
@WmTyndale
@WmTyndale 9 лет назад
Thank you! There was a subtle point involving the equilibrium constant that I was failing to grasp in my study of Ph. All cleared up.
@Luzt.
@Luzt. 6 лет назад
Great video. You know more than I. You have my respect for that. I improve thanks to your effort. You may be condescending and rude. The paper may be dirty. It may be cardboard. I do not care. You owe nothing to me. Thank you Sir and fuc. everybody who is complaining.
@Stellla123
@Stellla123 6 лет назад
such a helpful & amazing explanation thank you so much
@msfreya777
@msfreya777 4 месяца назад
but at 0 degree, the value you wrote for Kw is larger than the ones you wrote before. It should be 10^-15 not 10^-13
@drmossy5914
@drmossy5914 4 года назад
This is kinda terrible and wrong, and gives a lack of explanation for understanding
@aqib71nb
@aqib71nb 12 лет назад
helped me understanding something that took me 2 hours and i still couldnt work out how!! thank you so much!!
@augijyotbali2131
@augijyotbali2131 7 месяцев назад
Best explanation out there😭
@alexsheremett3097
@alexsheremett3097 Год назад
you're not explaining anything all your explanations come to state that blue is blue and orange is orange /// instead of explaining this concept (deducing it mathematically from the law of mass action - apparently you're unable doing so) you just take the Kw expression for granted and proceed forward
@ownitervi241
@ownitervi241 Год назад
I think his explanations are pretty good. I understand fully. Plus, he explains quite well. Maybe it's more of a you problem lol
@zainabhabib7083
@zainabhabib7083 4 месяца назад
Thank you :)
@deepikabalakrishnaan
@deepikabalakrishnaan 3 месяца назад
I love u
@SolacePiano
@SolacePiano 11 лет назад
I feel somewhat condescended..
@robolearn5639
@robolearn5639 7 лет назад
sir, the ionization reaction of water shifted to the right when it is endothermic if the exothermic then the reaction is shifted toward backward.
@queenbee7546
@queenbee7546 3 года назад
Maybe I'll sound stupid but it's been 4 years.. what are u doing now... like doctor?
@michaelwoodruff5752
@michaelwoodruff5752 7 лет назад
what if other species are present. Like what if HCl completely dissolved turning the solution acidic, would the kw still be the same once equilibrium is reached? Would the higher Hydronium concentration be counteracted by a lower Hydroxide concentration, making the kw still be 10^-14 at 25 C?
@rob-ti8dw
@rob-ti8dw 6 лет назад
idk what people are talking about. condescending? they just don't understand. love your personality and enthusiasm haha. thanks for another excellent video!
@ashleycrabtree9076
@ashleycrabtree9076 4 года назад
thank u you sound very nice in the video which helped me to understand it better :D
@張逸昇
@張逸昇 8 лет назад
good vid! thank u. but I have an question that why kw doesnt change when I add acid like hcl into water?
@ShahmeerKhanGamer
@ShahmeerKhanGamer 4 года назад
Great energy!
@zuluzero4659
@zuluzero4659 6 лет назад
What is this? Looooooool
@sof9830
@sof9830 3 года назад
I love how you are excited about it 😂💕
@rdmeena4659
@rdmeena4659 7 лет назад
fab.and yeah "pretty cool".
@poonamnegi7618
@poonamnegi7618 5 лет назад
Thankyou very much😃😄
@abramgrey2237
@abramgrey2237 6 лет назад
Thanks for helping man!
@akuko2
@akuko2 12 лет назад
thank you i needed this! subscribing soon!
@rubin831
@rubin831 11 лет назад
Think you! this is so helpful
@eastwinding
@eastwinding 7 лет назад
great presentation
@vjnmathew817
@vjnmathew817 4 года назад
why Kw is 10^-14?
@rubenladomartinez5626
@rubenladomartinez5626 6 лет назад
PRETTY COOL
@nirvana1nchains
@nirvana1nchains 11 лет назад
I love you.
@zulfishah1836
@zulfishah1836 5 лет назад
V nice solute yu man
@elefantsnablar
@elefantsnablar 12 лет назад
Excellent video! "Pretty cool!"
@zuluzero4659
@zuluzero4659 6 лет назад
Axelius omg this message is 6 years old! Rip
@ananyatewari4895
@ananyatewari4895 2 года назад
@@zuluzero4659 now it's 9 years old lol
@red_._viper
@red_._viper 9 лет назад
best online teacher, ever :D
@shot1412
@shot1412 10 лет назад
Stop talking like that.
@proffessorchubb1041
@proffessorchubb1041 11 лет назад
Nerd
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