Hey what's going on guys we are back in this video
we are experimenting with bottled oxygen and a can of pringles
now before we jump into this crazy mad science
i've noticed a lot of comments about how dirty my lab jacket has become
and in my opinion a dirty lab jacket is just a token of how much knowledge and experience we've been able to gain
but to answer your requests; lets go ahead and get that changed
*claps*
and they we have it! problem solved! lets dive right in.
now you probably remember a few videos ago we took a propane bottle, snipped the tip, and turned it upside down to extract liquid propane.
do you think the same method will work with a bottle of oxygen?
could we extract liquid oxygen?
so quick update guys i've got my modified nozzle off the propane torch, but when we try adding it to the oxygen..
..the threads dont match which means we can't screw it on and we can't use it to extract the oxygen
so we are going to have to try something a little bit different
and if you look down the mouth of the bottle you can see there's a little button in there
and if you use something small enough and press that button down, you get the oxygen to release
*oxygen makes spurt noise*
the other thing that i notice is; as we shake the bottle around I cant hear any liquid sloshing around
which doesnt give me much confidence there's much in this bottle at all
and if we look at the side of the bottle you can see its only 1.4 ounces,, which really isn't alot
so why than are these bottles of oxygen 11 dollars! 11 dollars for an ounce and a half!
cmon guys
flip these things over and see what we can get out
all right our wrenches set in position our bottles upside down theoretically we
release the gas and if it cools down enough we should get liquid oxygen here
we go
oh my gosh there we go ten seconds my pliers are barely even frosted my allen
wrench has a little bit of frost on it but there was absolutely no liquid so
this thing is completely empty now I can press that button and it's completely
depressurize there's no more oxygen ten seconds and nothing's satisfying about
that that was $11 completely vaporized so for our next experiment what would
happen if we soaked one of these bottles in liquid nitrogen first if we were to
bring the temperature down so cold and bring the oxygen that's already in there
down to a liquid perhaps then we could get it to drip out see if it works
alright it's time to chill it up let's get this canister completely submerged
here we go I'm just going to do this nice and slowly because they don't want
that nitrogen to boil out the top look at the way it jumps it's jumping like a
good two inches high there from all the heat that is extracting I'm listening
the container and I can hear things contracting in there I can hear it
cooling down I love these little drops of nitrogen this spit out a little smoke
trails we're getting the boil that's a good sign
the storm before the calm
and we just hit the bottom as far down as I can go right there the boiling
nitrogen makes really cool noise I just love the way this down alright so we are
completely submerged we're just going to chill here for about 30-40 second and
right there you can see the nitrogen is gone relatively calm which means most of
the heats been extracted so go ahead and make your predictions below now that our
oxygen is cooled down to the temperature of liquid nitrogen if I turn it upside
down and press the button will we in fact extract liquid oxygen check this
out the canisters changed color it used to be like a really bright red and now
it's more like an orange that's kind of interesting it's pretty stark contrast
in the color there all right moment of truth I'm not really sure how to do this
I've just got a death grip with my pliers around the neck here I'm going to
pull it out use the allen wrench to get up there and press the button and we'll
see if we can get any oxygen out that looks really cold
very very cool drip off the nitrogen press the button and here's what we get
it's actually so cold right now the button is barely even releasing I do see
some liquid dropping out there do you see that we just have a couple little
drops yeah there it is look at that we are in fact getting liquid oxygen not
much to hold it up here maybe you could see it better I think that's about all
we're going to get this bottle is completely empty now but check it out we
did it managed to get a little bit of liquid oxygen come look at this right
down there in the bottom boiling away is a little bit of what I think is liquid
oxygen
and it's gone okay so that was well anti-climatic so yes apparently
theoretically it is possible to extract liquid oxygen from one of these
canisters however for eleven dollars of oxygen and
the cost of liquid nitrogen we got such a little amount I don't even know if
that was worth it so for this last experiment I'm going to show you the
method that I love to use the most for making liquid oxygen because it's very
cheap very economical you certainly get a lot more than an ounce and a half so
what exactly do we need to generate liquid oxygen well surprisingly the only
materials were going to need are a canister of liquid nitrogen and some
styrofoam cups now go ahead and grab yourself a Styrofoam cup in this case
I'm using eight just to speed the process we're going to lay them all out
across the counter now that we got our styrofoam laid out on the counter we're
going to take our liquid nitrogen and fill each of them up individually to the
top now we're pretty much just going to step back and let them sit for 25
minutes styrofoam axor is a really good
insulator so we don't lose nearly as much nitrogen filling these up as we
would with any other container and the best part of this nitrogen is this all
homemade there we go all of our styrofoam cups are completely filled up
to the brim they couldn't go anymore they be able to flowing all we have to
do at this point now is simply step back and let them sit for about 25 minutes
quick update guys it has been an hour we've been letting this nitrogen just
sit here what's been happening it has been taking the oxygen out of the air
and condensing it and that oxygen is dripped down to the bottom and stayed
there until the nitrogen boiled off you can see each of these containers have
reduced to about 1/8 of their original volume and if you look really closely
you'll notice that the liquid has turned blue that blue liquid my friends is
liquid oxygen and now if we take all eight of these cups and dump them
together we get one full styrofoam cup of liquid oxygen very very cool stuff
the other thing that's really interesting is how frosty these cups get
you can see all the different layers where they've actually taken the
moisture in the atmosphere and condenser through the side watch this if I just
tap these cup gently all the snow falls off
fun pretty pretty blue oxygen guys look how beautiful that is not only do we
have a full cup of liquid oxygen we actually have a little bit left over as
well it's almost like what we would hope to see if we added blue food coloring
the liquid nitrogen and it actually worked but this here is very natural
oxygen is liquid state is blue and it's also paramagnetic check this out we take
something like a strong neodymium magnet and hold it near the liquid look what
happens the liquid jumps up onto the magnet and six
how crazy is that liquid oxygen responds to a magnet at least until it burns off
quite a bit of it on there I can't get it off it's stuck
that's cool now I don't have to mention guys that liquid oxygen unlike liquid
nitrogen is a very very volatile substance if it comes in contact with a
fuel liquid nitrogen is not flammable it puts out fires but if you add a fuel to
liquid oxygen and light it off the results can be explosive so here's what
I'm thinking guys what do you think would happen if we popped a pack of
Pringles so if one of the chips in liquid oxygen and then let it off shall
we find out all right so we're going to move our oxygen over here we're going to
dip this chip until it gets very very cold and what I'm hoping is happening is
it's infusing with oxygen I've never tried this before so I'm not really sure
what to expect all right that should be enough see if I can fish that out not
easy there we go all right got my flame going let's light
it off
not nearly as fat as I was expecting Oh and now look it stopped burning it
was kind of like sizzling and popping and going quite quickly and now it's
slowing down let's pour a little bit of oxygen on it oh yeah we can get it to
reignite look at that slide that ship right toward the oxygen Wow
you see that when the oxygen makes contact it almost explode every time it
touches look at those oxygen here it's just
going around it it's got the same similar properties to liquid nitrogen
delayed in the frost effect what happens if I cap it it goes into a million
pieces
isn't these chips just randomly spark up that's cool all right let's try that
again let's get one of these chips soaking but the oxygen burns off a
little too quickly so what I'm going to do is pour a little bit of oxygen into
the plate as well before we actually let it off okay there's our chip we're going
to set that right there and let it off
more oxygen
oh yes that's very vigorous
oh wow look at all these pieces of Pringle
floating around you got black blobs of Kringle filling the entire airspace
above my head that's kind of nasty and finally let's just do the Styrofoam cup
itself there goes oh my goodness look at the ceiling oh that was a bad idea
there you have a guys that was incredible and now you know how to use
liquid nitrogen and styrofoam cups to make liquid oxygen right out of the air
we start off filling up eight cups with liquid nitrogen right to the top then
let them sit for about an hour until all the nitrogen had boiled off but in the
process of the nitrogen boiling off the oxygen in the atmosphere condensed and
was sucked into the cups and when we mixed all eight of those cups together
we had a cup overflowing of blue liquid oxygen which apparently is paramagnetic
just keep in mind that liquid oxygen can be very very dangerous stuff and if it
catches anything on fire you can make a terrible mess thanks for joining me for
this experiment guys I'll be looking for you the next one talk to you then that
was unexpected that got frost you didn't it whoo the cryo container freezing my
fingers looks very cool
Outro