Periodic Videos - 2018-03-13
Support us on Patreon: https://www.patreon.com/periodicvideos More links and info in full description ↓↓↓ Featuring Professor Sir Martyn Poliakoff and senior technician Neil Barnes. Help also from Samantha Tang. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos From the School of Chemistry at The University of Nottingham: http://bit.ly/NottChem With thanks to the Garfield Weston Foundation. Periodic Videos films are by video journalist Brady Haran: http://www.bradyharan.com/ Brady's Blog: http://www.bradyharanblog.com Music by Alan Stewart http://bit.ly/AlanAlbum Join Brady's mailing list for updates and extra stuff --- http://eepurl.com/YdjL9
Cool demonstration!
"But really, both of them are fun. I hope you enjoyed them." That just sounded so kind and sweet; it convinced me to hit the like button. Great video. And Neal is always so serious, even when the balloon pops. I hope he's happy in life.
Just watch the helium video and you'll know :)
"I was so excited I nearly wanted to stop there!"
Bless your heart, professor.
3:50 Professor just low-key giving out chemistry lab prank ideas. Lab assistant has a birthday coming up? Ammonia balloons and I'm sure the prof has something even more devious he's keeping to himself for the cake.
Gymnema Sylvestre in the frosting, make it taste like paste, I just couldn't remember the name of the stuff and wasn't sure if I just thought it existed.
That chemical that makes your urine blue?
That's it! Methylene blue!
That's one sick idea
H2S balloons :D
Great demonstration with the balloon
Took the words out of my mouth.... if it wasn't for the Periodic Videos, a lot of us probably would have never seen this gas into liquid dissolution reaction. Fascinating!
I've recently discovered your channel and have been watching your older videos with much gratitude and appreciation for the work that goes into them as well as the genuine enthusiasm you all have for chemistry. All of which is surely inspiring the next generation!
I was very excited to see a new video pop up from you all!! Fantastic video and thank you all again.
I was waiting for the ballon to burst and Neil could start the purple man group
Some say that he’s afraid of protons in a vacuum, and that, after inhaling some ammonia, he’s now switched to an alkaline diet. All we know is he’s called Neil!
The professor being excited has me excited!
OK I think I spotted a smile on Neil's face briefly after the second balloon popped :p
That's just a compression artifact.
That's him being like yeah yeah I can stand the smell omg lol it's too terrible
Thanks Professor & the whole team. I must confess that I'm wasn't much a chemical fan... That change the very day I saw one of your videos...... Almost a year ago and I keep waiting the next video like a child waiting for the candy...
do u have any doge coins for me Daddy?
+Daddy doge You forgot the period, dipshit.
Atlas WalkedAway Wat where lol
I'm sure he does. Watching videos in in English and trying to join the discussion is part of that work ;)
If you want this kind of thing but with ever so much more swearing, look at the Explosions and Fire channel...
Nice! The balloon is a really cool way of showing what's going on. :)
Kick-starting the first experiment with LN2 was a stroke of brilliance. I don't know if that's a standard way to do it, but it really impressed me. :D (And I have worked with LN2 quite a bit.)
The baloon also got the positive of stinking up the room if you mess up, temporary displeasing the students
Neil, what a great guy. I sure hope he gets the appreciation he deserves. You too Martyn, but you get the screen time :)
As an ex-professional clown, I can tell you the third balloon held because you poked it in the top which is naturally reinforced. The top and bottom are both thicker and will sustain a hole from a large needle coated in petroleum jelly, even without the tape.
"sonny, what did your chemics teacher do today?"
"He injected some white stuff into a smelly balloon with a big syringe!'
"Oh..."
HMMMMMMMM
Neil — always making the sacrifices to get the science done! Props!!
This is one of the most beautiful chemistry videos I've ever seen!
I think this is one of my favorite videos. It's very elegant.
I did indeed enjoy them. Thank you very much, Professor, Neil and Brady.
My chemistry teacher had a very controlled way to set off the fountain: use a stopper with 2 holes. One for the glass tube and the other for a plastic pipette with water. One squirt from the pipette will set it off.
lol do we have the same professor?
This was in 2005 in Denmark, but who knows? 😎 maybe it's just the better way...
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I really liked this one. I agree that while they both demonstrate the reduction in gas volume, the balloon demo is more intuitive and visceral.
Another great chemistry video! Thank you for admitting that you didn't realize that the balloon would get hot. I enjoy knowing that I thought of something that you didn't...and that happens very rarely.
Please make a video on Bose Einstein Condensate! The process is incredibly ravishing, and I’d just be so grateful to hear the Professor explain it; that’s something he’s wonderful at, you know, effectively communicating & explaining lofty concepts!
Have you showed the Prof the Minerals yet?
Bravo, Professor. When I chose my degree I was in decision between engineering or computer science. With an outside third choice of chemistry. I chose computer science over engineering because logic over maths. I do still hold a great love for Chemistry and your channel, which I hold in high regard. Keep experimenting!
Chemistry has the most beautiful colors!
Pink is (white) minus green
And the best explosions.
Cranston Snord AND the best smells. Chemistry has a lot of things, it is all around us.
And physics has more of them
Except the thousand of tepernoid chemicals. Like one i posses is the - isomer of linanool, called, licareol. Very strong licorice scent. It is stored in its bottle, then two plastic bags to trap the smell.
I remember doing this in my first year inorganic lab practice. It was quite beautiful and fun
That brought memories of my high school chemistry teacher doing the same fountain. Thanks. I remembered the water column was slow going up the tube. But when the column reached the top there was a quick squirt and the pink cascade started. We also did that in a test tube. In that case, the de-ionized water whooshed right in the tube compared with the other gasses.
Awesome! I remember this experiment from my 1970s chemistry set, but never got around to trying it, I think it was far too intricate for me at the time.
I always find it funny that the simplest and most basic experiments are typically the most beautiful and/or impressive.
The high level stuff is revolutionary and changes our lives...but the freshmen level reactions are always video worthy!
Wooooo new video! Love your work and love chemistry every video a bit more. I really should go back to school and study chemistry..
Nice job, Neil! You're the star of the show as far as I'm concerned. The lab is where the metal hits the meat. Poor choice of words perhaps.
Even simple science never fails to amaze 🤓👍 thank you for all of your precious time disseminating such useful information for free to the world!
Cool part is that you really know what you are doing.
Can you do a segment about Novichok?
The second demonstration made it so much easier for me to understand the first.
I think the experiment at the end really helps explaining visually what is happening in the first one.
It's really nice.
Everyone needs a Niel in life 🙏🏼
Nice to see a professor that still does hands-on experimentation
What a splendid video! Thank you :)
Great job guys! Learned some new information about Ammonia, thank you
What magnificence! The ammonia gas transitioning into the liquid solution, resulting in a shrunken balloon. There could be even more interesting applications I'm quite sure. Great!
When one of my chemistry teachers showed us this experiment, he used a conical beaker and didnt wear protective glasses. Damn thing imploded and he got ammonia in his eyes.. So use the correct equipment and wear safety gear.
Fortunately the damage wasnt permanent and he performed the experiment correctly a week later.
what's a conical beaker? An erlenmeyer flask?
Yes, I believe it is the same.
gosh he was lucky.
Can you do that second experiment once again, without holding the balloon? If it does float before injecting water (as overall density is less than that of air), and the ammonia dissolves over time in a tiny amount of water, there should be a point where the balloon reaches ambient density and then ever so slowly dwindles to the ground.
Always a good day when there's a new video from Professor Poliakoff!
And I was just studying for my chemistry final today!!
The fountain is lovely!
That balloon demo is brilliant!
Though it would be even nicer with a properly transparent balloon.
derKarl - 2018-03-13
Neil is tough... taking the experiments the Professor gives to him and doing things till the end... respect to Neil
Dead memes - 2018-03-14
#respectNeil
Heksu77 - 2018-03-14
I agree, he totally Neiled the demonstrations.
Hyra Elle - 2018-03-14
Neil when the baloon poped. Oh, lets laugh this ammonia gas instead of backing up!
Bill A - 2019-06-21
Neil huffs ammonia on a regular basis, and drinks mercury instead of coffee. ;D
Tj - 2021-03-09
How is that tough