Added: 3 years ago
From: khanacademy
Views: 44,936
Sort by time | Sort by thread (beta)

Link to this comment:

Share to:
see all

All Comments (40)

Sign In or Sign Up now to post a comment!
  • @megaelliot haha yea seriously, i had my first acid flashback at 3:26

  • 3:24 it's a...PERIODIC TABLE OF ELEMENTS! GOOD! xDD

  • From next time try using "Ctrl+Shift+N" And the "Ctrl+I"..

    It feels like a year time if you go to menu and click them..

    What? Im not kidding.. It really feels so.

    Btw awesome Videos you make!

  • "it is not an animal that digs holes in your backyard" :D

    best advice ever!

  • 3:26 - 3:30 . his voice kinda freaked me out O_O

  • I enjoy your lecture, very simple and straight forward,, and you are very good teacher

  • Not sure why I sat through confusing lectures all semester. Love your stuff, good explanations. I appreciate the work you do.

  • 6.022E23

    Avagadro's Number.

  • What do you mean by "some constant"....? Not explaining that part well....

  • hey, who has the answer to question 4? xD

  • Thanks for all the videos. You made my day :)

  • Thanks for these awesome vids man. If only teachers would explain it like this and not overcomplicate it students might actually learn something.

  • you ROCK! i was so lost in this unit untill now. you really saved my hide!

  • Firefox FTW (ieexplorer sucks)

  • ahh wish i knew all this before I took chemistry Dx damn you physics why must you poke ur head into every subject i have to take!

  • Great video. Had to pull the GChem book out for this one lol

  • I want a mole of women. lol kidding.

    nice vid though your brain is sick you know so much

  • lmao

  • @phatl12345 You are headed for a mole of disappointed for that many women.

  • thanks, you are excellent. Now I don't have to cramp anymore :)

  • @ose90

    You cramp when you study physics?! You might want to get that checked out.

  • is it me hallucinating or at 3:26 does the sound of Sal's voice drop in frequency for a few seconds?

  • @megaelliot

    that was rather freaky!

  • Yeah, i thought i was having auditory hallucinations, all of a sudden his voice slowed down on some satanic backward record playing ish. LOL

  • @Pr0x1mo haha! yeah man when i heard his voice slowing down i picked up my mountain dew and kinda stared at it... LOL

  • I was like "yo... this adderall is effing with me!"

  • @megaelliott that's wot happened, no hallucinations.

  • @megaelliott ya me 2 noticed it dat salz voice was dropping..............

  • @megaelliott he just likes sulfur hexafluoride

  • i want a mole of dollars

  • 6.022x10^23

  • Excellent presentation.

    Suwun yo pak Guru ....

  • thanks for the vid!

  • They are the same number. You use .0821 if the units are (liters*atmosphere)/(kelvin*mo­les). You use 8.3 if the units are joules/(kelvin*moles).

  • hehe

  • @khanacademy correct! change of units=change of the number!

  • convert it and you get what he said

  • @cballaallstar its also 10.73 (psia*ft^3)/(lb-mol*R)

Loading...
0 / 00Unsaved Playlist Return to active list
    1. Your queue is empty. Add videos to your queue using this button:
      or sign in to load a different list.
    Loading...Loading...Saving...
    • Clear all videos from this list
    • Learn more