I don't know why people are hating this teacher. he seems really fine, my professors don't explain anything at all while they're getting paid, this guy explains very well for free !! plus I understood everything. thanks, sir :)
First time I watched this I was really confused, but I took a nap and rewatched the whole playlist, and now I feel like I understand every part of the lesson. Recommend you guys to watch the lessons several times if you are confused
lol for chemistry. I would recommend "The organic chemistry tutor" you can check his video out about reaction rate. he makes me more understand in chemistry.
Hello. I am conducting a biology experiment that focuses on the decomposition rate of fast food fries vs. homemade. The only problem is.. I don't really know how to measure the rate of decomposition. Any ideas? Anything helps!
At around 7:10 - Why do you need to multiply the rate of formation of Nitrogen dioxide (NO2) by 1/4? If oxygen forms at rate X, then, in this reaction, NO2 forms at rate 4X. I don't understand why would we want to divide 4X by 4 to get to X, the rate of formation of O2, since in reality, NO2 forms 4 times faster than O2?
My take on this is slightly nebulous and I need a confirmation of the following statement; 9×10^(-6), 3.6×10^(-5), And -1.8×10^(-5) are the rate of PRODUCTION of O2, NO2, and N2O5, while 9×10^(-6) is the rate of the REACTION.
So if every reactant and product are 1 mol each , the rate of reaction forr all of them will be equal ? How does that work ? Doesn't it need to be like " rate of formation of proupduct is equal to sum of rate of formation of reactants "??
Thank you! I need help: THE DRAWING SHOWS THE PROGRESS OF REACTION 2A-> A2 @t Based on the drawing, conclude at what time the composition of the reaction mixture will correspond to drawing D. I do not understand the procedure of this task, so I ask for help. Thank you
i'm a bit confused as how you can just put in a negative sign like that. Is that just your way of getting the correct sign for the final concentration or is it a proper rule? isn't it the same as saying the answer must be the absolute value?
that's what i'm wondering. why does our rate of reaction have to be equal to the rate that oxygen is formed? can't our rate of reaction be equal to the rate at which dinitrogen pentoxide disappears? Wonder if you are still looking for an answer 2 years later
Thank you very much for explaining the concepts so clearly and concisely. Unfortunately, I'm not allowed to use a scientific calculator or even an ordinary calculator for my 12th Grade examinations.
+revision panda M = mol/L or what you said, so he is still correct. It's awkward to write (mol/L)/s for the rate. It's better to stick with M, since it's known to everyone.
Everyone in the comments is talking about how they miss sal. To be honest I couldn't be happier. Sal is shit and cant explain things if his life depended on it
As I understand it from this video, if the molecule is reduced (in this video; it breaks down), then the sign will be negative . But maybe in the concept of "reaction rate", the value must be positive, so we need to add negative sign cmiiw
I don't know why people are hating this teacher. he seems really fine, my professors don't explain anything at all while they're getting paid, this guy explains very well for free !! plus I understood everything. thanks, sir :)
He gets paid too lol
💯👌
@@eternalyap but not by the people he's teaching
@@Ariadne4 views create revenue bruh
First time I watched this I was really confused, but I took a nap and rewatched the whole playlist, and now I feel like I understand every part of the lesson. Recommend you guys to watch the lessons several times if you are confused
Destroyed my chem exam. 10/10 thank you.
volume is quite low on this video. Have turned volume right up on my computer and can still only just hear it.
Try using headphones/earphones.
your computer is just retarded
so now im more confused.. gunna go see if tyler dewitt has a video on this
You can visit my channel
^ this guy has like 1 video...
lol for chemistry. I would recommend "The organic chemistry tutor" you can check his video out about reaction rate. he makes me more understand in chemistry.
Tyler Dewitt is the best teacher on here dont @me
This actually is a really good explanation! , if you concentrate on what he's saying, it all makes sense!
2:42 just ignore this
Thanks a lot finally i got the meaning of those fractions before the rate conc.
Hello. I am conducting a biology experiment that focuses on the decomposition rate of fast food fries vs. homemade. The only problem is.. I don't really know how to measure the rate of decomposition. Any ideas? Anything helps!
i like how your voice sounds, easy to listen to.
Very useful thanks alot
This is the most underrated educational video of all time
At around 7:10 - Why do you need to multiply the rate of formation of Nitrogen dioxide (NO2) by 1/4? If oxygen forms at rate X, then, in this reaction, NO2 forms at rate 4X. I don't understand why would we want to divide 4X by 4 to get to X, the rate of formation of O2, since in reality, NO2 forms 4 times faster than O2?
I confused in that part too.. why not 4 times instead of quarter times, and why not 2 times instead of half times
Oh, the quarter and half is maybe to show the part of nitrogen dioxide and oxygen in the dinitrogen pentoxide, since it is a decomposition reaction
great work bruv, Keep it up
My take on this is slightly nebulous and I need a confirmation of the following statement; 9×10^(-6), 3.6×10^(-5), And -1.8×10^(-5) are the rate of PRODUCTION of O2, NO2, and N2O5, while 9×10^(-6) is the rate of the REACTION.
This video was amazing thank you so much
So if every reactant and product are 1 mol each , the rate of reaction forr all of them will be equal ? How does that work ? Doesn't it need to be like " rate of formation of proupduct is equal to sum of rate of formation of reactants "??
Uhh
Thank you! I need help: THE DRAWING SHOWS THE PROGRESS OF REACTION 2A-> A2 @t Based on the drawing, conclude at what time the composition of the reaction mixture will correspond to drawing D. I do not understand the procedure of this task, so I ask for help. Thank you
THANK YOU A LOT!!!!!!!! I'M SO GRATEFUL FOR THIS BRO...
Wut. This is confusing as hell.
saving my chem grade +gpa
Awesome video.
Good and clear explanation
THANK YOU!
i'm a bit confused as how you can just put in a negative sign like that. Is that just your way of getting the correct sign for the final concentration or is it a proper rule? isn't it the same as saying the answer must be the absolute value?
true... If i wanna get answer 0 can i multiply the whole equation by 0
Neagative sign is used to the rate of decrease of reactant. The rate of decrease is negative. So negative sign before it make the result positive
8:10 was confusing af
I thought disappearance meant negative values but he was saying it has to be positive cause its only a rate?
Since the reactant concentration (A in this instance) decreases as B increases the quantity of A will be negative
Yeah that was the point... but what should I really write in a test paper? nvm it barely appeared in my exam anyways :D
Anyone know when to use this
average rate of reaction = (-1/a)(deltaA/deltat)
First order and second order
ln(k2/k1) = -Ea/R(1/t2-1/t1)
thank you!
I hated this subject, but after your explanation I began building up interest in Kinetics. Thank you Sir.
Very Very Thankyou..
This didn’t make any sense... but I still learned more Than my teacher
Where is the other one, i mean the usual one we fine in Khan Academy lessons this guy is boring af
I wonder why you didnt use stoichiometry...
What if Nitrogen Dioxide's rate was given instead of Oxygen's?
that's what i'm wondering. why does our rate of reaction have to be equal to the rate that oxygen is formed? can't our rate of reaction be equal to the rate at which dinitrogen pentoxide disappears? Wonder if you are still looking for an answer 2 years later
2020
why we are losing dinitrogen pentoxide?
Because it break down to nitrogen dioxide and oxygen maybe
Thank you very much for explaining the concepts so clearly and concisely.
Unfortunately, I'm not allowed to use a scientific calculator or even an ordinary calculator for my 12th Grade examinations.
chemistry without scientific calculator? wtf
yea thats messed up
Indian? 😢
THIS HELPS SO MUCH OH MY GOSH
Why the hate on Jay? I love him and his pace is just right!
Why don't you sing a song
dont use M use moldm^-3
+revision panda M = mol/L or what you said, so he is still correct. It's awkward to write (mol/L)/s for the rate. It's better to stick with M, since it's known to everyone.
wow you saved my ass so many times.... no homo... LOVE THIS DUDE!!!! lol
👍👍
Everyone in the comments is talking about how they miss sal. To be honest I couldn't be happier. Sal is shit and cant explain things if his life depended on it
who the fuck is Sal?
😂🧐
you r so fast
the unit of concentration is m/l not m
Estus It's also represented by a capital M smh
I love you and my name is Arina
Wtf
poor
Soooooo boreddddd
As long as the molecule is on the reactant side, I should add an additional negative sign to the rate to make it positive?
As I understand it from this video, if the molecule is reduced (in this video; it breaks down), then the sign will be negative
. But maybe in the concept of "reaction rate", the value must be positive, so we need to add negative sign
cmiiw