This video series saved my chemistry grade this unit. A two-hour lecture and meeting with the teacher after school didn't stick, but somehow this made everything click. Thank you!
One of my chemistry teachers spent 2 weeks trying to explain that to me, and pretty much failed-- and this video simplified it WAY more than he did.It makes sense now! Thankyou.
Oh my goodness, it feels as though the world all makes sense! Thank you so much for helping me out with Chemistry! If I ever get stuck again, I will definitely come back to watch more of your videos.
Mr. Khan, Saying you videos are helpful would be an understatement. The only thing I would like to see more, which you do in some videos, is a brief overview of the general steps/equations used. I find this extremely helpful especially in the longer videos that have a lot of content. Keep it up!!!!
My Chemistry final is tomorrow. I have learned more in watching Khan academy for the past 2 hours than I have learned in an entire year of class. --Speechless--
God bless you, seriously. I had this concept explained to me by so many people but I did not get it until I actually stumbled upon this video. I wish I had known about this channel at the beginning of the semester.
You my friend, are a life saver. I have A Level Chemistry coursework tomorrow afternoon and all I know is it's on enthalpy changes....which I knew hardly ANYTHING about before this. I couldn't sleep last night because I was worried I wasn't going to understand it. This video has helped so much. Thanks enternally :)
OMG! Dude u rock man. I didnt understand a thing during my lecture earlier. After watching i understand now. Thanks to you. You should be a professor:)
I missed a lecture on this topic and understanding it mainly on the textbook was kind of complex, but after watching this simplified powerful video with examples, I am now adept at this topic!!!😍 thanks so much
great explanation!! I should start skipping my chem class and watching youtube teaching videos instead, I would probably learn more. Thanks for the video!
THANK YOU SO MUCH!! u finally cleared my confusion. I go to the (currently) 4th best skl in the UK nd my chem teacher is still could get this through my head but u done it 15mins lool
back to this video. i bombed this last test because my professor drops the lowest grade and i already did well on the other ones, but the final is next week!!! need to understand this video.
thanks it helps me understand more. Can you talk about different types of enthalpies such as atomisation, bond, enthalpy of solution, lattice enthalpy.
@shatzE3 Rewatch it and listen to him carefully, Water is - 285.53, his - and 2 just combined so it looks like plus. Easy mistake to make though if you didn't hear him or watch him pick it off the list.
This video series saved my chemistry grade this unit. A two-hour lecture and meeting with the teacher after school didn't stick, but somehow this made everything click. Thank you!
This guy is awesome. Only 30 minutes ago, he was helping me with multiplying matricies, and now he is helping me with chemistry. I love it. :)
You just made my whole semester of chemistry obsolete. I thank you for that.
wow this comment is 9 yrs old thats insane im studying it now
@@bluehourcore lol same😂🙌🏻
@@inox3nt545 nice 🙌🏻😂
I’m studying now 2023 😢
OMG. If i had found this like 2 hours ago, so much time would have been saved. Thanks so much, this was very helpful.
Ken The G or like 2 months ago haha
@@EmmyKhan more like 3years
@@Zen_Zen_Zense
lol
One of my chemistry teachers spent 2 weeks trying to explain that to me, and pretty much failed-- and this video simplified it WAY more than he did.It makes sense now! Thankyou.
Oh my goodness, it feels as though the world all makes sense! Thank you so much for helping me out with Chemistry! If I ever get stuck again, I will definitely come back to watch more of your videos.
How I wish all teachers talk in moderate speed and a lot of patience like you Mr.Khan
Mr. Khan,
Saying you videos are helpful would be an understatement. The only thing I would like to see more, which you do in some videos, is a brief overview of the general steps/equations used. I find this extremely helpful especially in the longer videos that have a lot of content. Keep it up!!!!
Slight arithmatic error, 6x-1714.98=_1714.98, the video was still very useful for my exam, thanks :)
Chemistry exams in 22 hours and i couldn't figure shit out of this until i came across your video, what a relief....thank you Mr Khan :)
My Chemistry final is tomorrow.
I have learned more in watching Khan academy for the past 2 hours than I have learned in an entire year of class.
--Speechless--
Where have you been all my life
GREAT explanation.. i understood first time round.
no matter what i am trying to understand i come to khanacademy and everything is understood so clearly, i wish you were my professor!!!!
Welp, I might fail my chem test.
Any update? (even thought it’s too late to ask😂😭)
@@kennethdale6877
Ikr 😂😂
Let the people know
@@kennethdale6877 Sadly I do not remember.
God bless you, seriously. I had this concept explained to me by so many people but I did not get it until I actually stumbled upon this video.
I wish I had known about this channel at the beginning of the semester.
You my friend, are a life saver. I have A Level Chemistry coursework tomorrow afternoon and all I know is it's on enthalpy changes....which I knew hardly ANYTHING about before this. I couldn't sleep last night because I was worried I wasn't going to understand it. This video has helped so much. Thanks enternally :)
The best part of his videos is the fact that they're videos, pause, replay etc, etc.
thank you soooooooo much, i've been sit in my chem class since school starts and now i understand everything just by this 15 min video..
Your video confirms that I know what I'm doing. Thank you =)
this video remains great after 9 years! #teamkhanacademy
10!!! :)
You prove why all teachers should be fired and why we should simply learn from amazing teachers at home like you.
Test tomorrow! You made all of my studying make sense. It's all clear now. :)
no one else can explain it properlt, thank you for simplifying and not using unnecessary arrows all over tha place
this was REALLY helpful i have been studying this for two hours and didn't get it then in 15min i completely understand thank you!
your voice is strangely soothing
U make me regain my confidence in understanding this.... tear*
its so fun and easy watching you videos that it doesnt even feel like im studying, even though im learning stuff like crazy xD
8:58- 9:10 = hilarious calculator indecision. Sal you crack me up.
u da BOSS ... i was absent the day my teacher taught this.. ty for explaning
OMG! Dude u rock man. I didnt understand a thing during my lecture earlier. After watching i understand now. Thanks to you. You should be a professor:)
just got an A- on my AP Chem final. Couldn't have done it without you
thanks really helpful. as the other person mentioned, if only I had found it 2 hours ago.
if it was not for you this semester i would be failing college chemistry, keep up the good work sir
I missed a lecture on this topic and understanding it mainly on the textbook was kind of complex, but after watching this simplified powerful video with examples, I am now adept at this topic!!!😍 thanks so much
You may have just saved my life! Thank you!
I haven't been sure how to even begin studying but this has helped
Are you alive m8?
great explanation!! I should start skipping my chem class and watching youtube teaching videos instead, I would probably learn more. Thanks for the video!
I understood almost nothing till I watched this video. I wont fail my test tomorrow!
Very Grateful!!! :D
KhanAcademy, thank you very much for these tutorials. They've saved my arses many times over.
you are my second ap chem teacher!
Holy shit, now it's clear to me. Thank you!
great video i learned more in 16 min than i did in a week
Thank you so much, Dr. Khan! You explained it a lot better than my teacher.
Amazing lesson!! I was strugling with that all night until i saw your video! thank very much!
this video makes my life easier, thank you mr. khan
THANK YOU SO MUCH!! u finally cleared my confusion. I go to the (currently) 4th best skl in the UK nd my chem teacher is still could get this through my head but u done it 15mins lool
I did find that helpful. Thanks Sal.
back to this video.
i bombed this last test because my professor drops the lowest grade and i already did well on the other ones, but the final is next week!!! need to understand this video.
You may have just saved my life! Thank you!
thanks it helps me understand more. Can you talk about different types of enthalpies such as atomisation, bond, enthalpy of solution, lattice enthalpy.
great! thank you for the valuable knowledge!!!
"Hope you found that helpful"...are you kidding me, just helpful? you are a hero indeed!
Thanks!, Very helpful!
You are a legend sir ❤️
I don't know why I even bother going to class I learn more watching these.
@Pablothe you should probably make a video showing everyone how to do Thermochemistry now...
YOU ARE A GOD!!!!!! THANK YOU SOOOOOO MUCH!!!! YOU ARE GOING TO SAVE MY HONORS CHEMISTRY GRADE :-)
full clarity .explained very well.thanks
Wow this video was great! Thanks so much
Thank you for all of your help. When I'm rich I will donate many treasures to you.
This was so helpful, THANK YOU SO MUCH! you have saved me from hours of confusion.
YOUR ARE MY HERO!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
You're*
+Isabell Kay Easy English teach, mistakes do happen( and yes, i meant to say teach not teacher).
Kay Dude you gotta watch your attitude. It doesn't take god a lot of time to humiliate man. Think your English rocks. Help somebody then.
Saved my chemistry as level! Thanks:)
lol same :-)
Zeina Mazin will be giving on oct/nov session! I literally have no idea on how to draw enthalpy cycle.
i had to stand up and clap for 5 minutes after this video out of amazement
studied 2 week @school. 15 min with khan academy
thanks man great explanation! looks like i dont have to fail chem this year! :)
You sir, are better than my disgusting Chemistry teachers. Kudos to you.
7 years laters this video still a saver
your voice is interesting...but at the same time soothing haha
YEEESSS!!! Now it makes sense! Thank You :) :)
Omg thank you so much. This actually made sense to me.
that was so helpful! thank you so much khanacademy! :D
This video helped me a ton, thanks
now i totally get it, thankyou so much :)
thank you! I might actually pass Chemistry now! My lecturer sucks :/
For the combustion of propane you would get water vapor, your state on the water should be gas.
thank you dr. khan. you make learning fun
you are #1 in my book
God bless your soul Sal
you are amazing!
thank you so much
Thanks man. You’re gifted
My god, your videos always save me!!! Thank you so much
the propane is in a gaseous state, not liquidous.
Youssef M. Al-Aasar wqaeaweFźhqwqx
same man
thanks it helped me a lot
thank you again u the best.....
I want to meet u :( u are sucha genius! :o
Thanks so much for this🙏🏽
Awesome, saved my ass for honors chem tomorrow
This made this so much easier, Holy shit!
Loved this!!!
amen brotha. in your situation right now
@shatzE3 Rewatch it and listen to him carefully, Water is - 285.53, his - and 2 just combined so it looks like plus.
Easy mistake to make though if you didn't hear him or watch him pick it off the list.
u r the best in the world
My brain adores you.
Thank you very much
Thank you, very helpful
Fantastic
THANK YOU GOOD SIR
holy crap this video is 11 years old, anyway this really helped me
Khanacademy you make the teachers looks bad... In a good way! :D
Thank you so much !!!