What happens when nitrogen and oxygen are exposed to fire?
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@PichkaSparktail Thermite isn’t a? combustion reaction, so it doesn’t ‘burn.’ Ti’s a single replacement reaction that also gives off a lot of heat. It’s a combination of a metal powder and an oxide. A typical thermite reaction is:
Fe2O3 + 2Al -> 2Fe + Al2O3
and now some one? knows how to burn a house down, or stop a fire >.>
@JeffersonLab
How does thermite burn? I heard it produces it’s own oxygen.?
@cegoins25 Actually, this video was reposed? in October of 2011. The footage was originally shot and posted in November of 2008. For some reason, Google/YouTube age restricted it. Since there was no way for us to appeal the age restriction, our only recourse was to repost the video.
@PichkaSparktail Oxygen is necessary, but not sufficient, for fire*. The matchstick is the? fuel. It’s made mainly from carbon, hydrogen and oxygen. When it burns, it combines with oxygen in the air to make carbon dioxide and water.
*Usually. There are things, such as magnesium, that will burn without needing oxygen. They are the exception to the rule, though.
@JeffersonLab You Guys? are so awesome! can you make more videos about liquid nitrogen i just love it!
Keep up the good work
when did joanna get a haircut? she looks great, but there’s one problem….as this video was posted on oct 2, 2011 and the other video? i saw is where you two make oobleck and that was posted oct 22, 2011 and she had a longer hair
lol
?
@JeffersonLab
I thought the oxygen WAS the fuel though. Couldn’t it burn at the top of the text tube where the oxygen and the? outside air meet?
i? love ur chanel
@PichkaSparktail Because combustion is, by definition, a chemical reaction where something combines with oxygen. What’s oxygen going to combine with? Itself?
O2 + O2 -> O2 + O2
Doesn’t really work… Oxygen supports burning, but does not? burn itself. You’ll notice that the fire went out once the match was consumed. The fire had plenty of oxygen, but ran out of fuel.
How come the liquid oxygen isn’t combustible ? Wouldn’t the fire burn on the surface of the oxygen? Or flare out of? the tube as it burns the oxygen gas?
@ouredgar? Nope.
@JeffersonLab So, the liquid? oxigen doesn’t put out the fire?
@xxSyphenxx I don’t think that you’re hearing the whole thing. The gas in the test tube is colder than the air in the room, so it’s denser. For it to spill out, it must first fill the test tube. Once? full, new gas pushes old gas out. The gas doesn’t completely pour out of the test tube because the test tube it pointed upwards. It’s like having a glass full of water. As long as you don’t tilt the glass, the water stays inside it.
So if there was the gas pouring? out, why didn’t the fire go out the time they put it inside?
You are a braver man than? I.
@danictheman No, we only put a little liquid oxygen in the test tube because there was a real fire concern. The worry wasn’t so much about anything exploding. It was that if the test tube broke, you end up with liquid oxygen and a lit match falling onto the table. Although a welder’s blanket was being used (that’s why there’s a white ‘tablecloth’ rather than our usual black one), no one thought it would be a good idea to soak it with liquid oxygen and then add? fire to it.
@crymetymertruth No….?
LOL? You barely put an liquid oxygen in the tube so it would explode in your face when you lit it right?
Since? it’s liquid oxygen is it okay if you drink it?????
thats kool!
i love? the noises it makes
@sgspkz Thanks!?
@JeffersonLab? i love your videos i going to tell my science teacher about this channel.
thumbs up if you wanted the fire extinguisher to? go off!