Introduction to Surface Excess

[@gerardoherreraherrero6713]

great video!!! I feel nobody does videos of these kind of topics!!

[@DevilishGuts]

Thanks for your explanation! No other place I searched defined surface excess so clearly, I was having a tough time trying to understand this

[@gerardoherreraherrero6713]

I have an exam on Physical Chemistry on Friday, starting to study now. Going for the 10 thanks to you!

[@Dr_Tim_Sidnell]

Thank you so much, from a PhD student trying to learn chemistry!

[@mrjcaudy]

Christ, how can my lecturer explain it so badly in 20 minutes when I can watch this double speed and understand it better in 4:20

[@taiyebakarimtuba2237]

sir please tell me the symbol name of surface excess...please sir.. is it called TAU??

[@dariomiric2958]

Negative surface excess doesn't make sense since, as you said, product of concentration and volume of the container gives number that is too high which means that number of moles of NaCl is falsely calculated and thus negative surface excess is also false since it is based on false calculation. If we take correct volume of the water phase as V', as you said, than surface excess is no longer negative because of which negative surface excess has no sense.

[@mohamedeisa2147]

You are amazing! Thank you!

[@ejhuang9046]

I kinda lost when you talking about lower NaCl Con. around the surface.

[@sankarshanharidasan6751]

Thanks. It was very helpful.

[@sone1213]

Thanks a lot, this really helped! :)

[@misganawtadessegebre8556]

i still dont understand why it is negative

[@rahanishraq4930]

Its becuase the ions are only present on the surface rather than the bulk solution we we dont get correct concentration by multiplyng v

[@kusalseven3563]

Subscribed 👍👍

[@ismaeel747]

thank you this helped a lot

[@hagencalpoly6773]

+ismaeel747 Thanks!