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Oxygen is not a fuel for fire; it is the oxidizer. You can substitute a different gas for oxygen such as chlorine, fluorine, or dioxygen difluoride. You can also use solid oxidizers such as potassium nitrate or ammonium perchlorate.
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Why do metals burn more brightly in oxygen than in air?
the general formula for combustion is someting like this: organic (carbon/hydrogen based substance)+ oxygen goes to carbon dioxide+ water + ash pure oxygen is a very important component of this reaction, but normal air is less than a quarter oxygen, so the effect is diluted
Why carbon dioxide is better than water for putting out electrical fire and oil?
Beacause fire needs oxygen to stay lit, and water has oxygen in it.
Why does spraying water on fire take it out?
The fire triangle is fuel (something that will burn), oxygen and heat. If you take away any of the three the fire will go out. Water reduces the temperature and causes the fire to die out. A note here: Water is used on class "A" fires only. A class "A" fire is anything that will leave an ash when burned such as paper, wood or cloth. If you were to try to use water on a class "B" fire (a liquid fuel fire) the water will cause the liquid to spread out rather than cool it and make the fire worse. A class"C" fire is anything electrical and while water may put the fire out you run the risk of electrocution if you use water. There is also a class "D" type of fire that includes metals such as magnesium that will burn. If you put water on burning magnesium such as an airplane wheel the magnesium may explode.
Is pure oxygen explosive?
No. Oxygen itself is not flammable, but it is necessary for fire. Fire is a chemical reaction between oxygen and a flammable substance. Fire is possible on Earth because ordinary air is 21% oxygen. Pure oxygen is considered a fire hazard because higher concentrations of oxygen will make it easier for a fire to ignite and will allow it to burn hotter and faster than normal.
How is the oxygen supply in fireworks different from a bonfire?
fireworks include their own their own oxidant whereas bonefire uses atomospheric oxygen as the oxidant for example Potassium nitrate is used as the oxidant for sulfur and charcoal in black power
Why does hot water puts off the fire faster than cold water?
Triangle of fire is Heat, Fuel and Oxygen. Cold water might put off heat more than hot water but hot water is ready to evaporate to steam and block off oxygen from reaching the fuel. On fire fighting, reason to aim water at the base of fire is to allow steam blanket to form and block off the oxygen and thus put off the fire.
What was the supply of oxygen in the great fire of London?
There was as much oxygen as there is outside today which meant the fire could spread much easier than without oxygen
Is there anything that will burn without oxygen?
Titanium burns in nitrogen as well as oxygen. You might get some argument that combustion mean "in oxygen" but I think it is fair to say that lots of things "burn" in something other than oxygen. They undergo chemical reactions while giving off light and heat.Combustion is a process in which some is oxidized in an exothermic reaction. Things can be oxidized by other chemicals than oxygen, such as Cl2 or F2, and that would be considered combustion.Pyrolysis is a thermochemical reaction in which organic matter undergoes decompostion(or combustion in another sense) in the absense of oxygen.This is a clear example of combustion without oxygen.See the Web Links to the left for more information.
Why exhaling carbon dioxide can not put out a fire?
When you exhale, you are not exhaling carbon dioxide. You are exhaling air with a slightly higher-than-normal concentration of carbon dioxide and a slightly lower-than-normal concentration of oxygen. Carbon dioxide extinguishes fire by forcing oxygen away from the fuel, but the air you exhale still has more than enough oxygen to support combustion.
Why does water put out fires?
The fire triangle is fuel (something that will burn), oxygen and heat. If you take away any of the three the fire will go out. Water reduces the temperature and causes the fire to die out. A note here: Water is used on class "A" fires only. A class "A" fire is anything that will leave an ash when burned such as paper, wood or cloth. If you were to try to use water on a class "B" fire (a liquid fuel fire) the water will cause the liquid to spread out rather than cool it and make the fire worse. A class"C" fire is anything electrical and while water may put the fire out you run the risk of electrocution if you use water. There is also a class "D" type of fire that includes metals such as magnesium that will burn. If you put water on burning magnesium such as an airplane wheel the magnesium may explode.
Can fire burn with elements other than oxygen or fluorine?
Yes. Chlorine could sustain such a reaction as well.
Is there another fuel pump relay other than the one by the wiper motor on the fire wall of a 1985 Corvette?
No there is no other relay.
Can you duck in a fire to be able to breathe in oxygen?
You get low in a fire more to avoid breathing in smoke, which is toxic, than to get oxygen.
A fire blanket is put over a fire what has been removed from the fire triangle?
The fire triangle is fuel, oxidant (or oxygen), and ignition source. When you use a fire blanket to put out a fire, you are cutting off the supply of fresh oxygen (the oxygen still under the blanket gets consumed as the fuel burns).There are however various components that can burn with no oxygen present.A fire is in a way no more than a powerful chemical reaction making a lot of heat.Heat itself will increase the rate of the chemical reaction and this is often why we consider a fire to be out of control. Common for all fires is that they need something to react with. If one remove the reactant from the fuel, then the fire stops. What the reactant is depends strongly on the fuel at hand.A normal approach in order to put out a fire is to use vast amounts of water.This works quite effectively in two ways. Firstly by lowering the temperature. secondly by forming steam of which removes oxygen (reactant).There are however fires that very well burn vicariously even when submerged totally in water. Such a fire can occur when we burn the metal Magnesium.Under normal circumstances such a fire will only be put out with sufficient amounts of sand or salt. This will remove available oxygen or reactants and the fire will stop.Most fires can be put out if one have a fire extinguisher filled with Nitrogen. We normally say that nothing can burn in an atmosphere of pure Nitrogen. This is however not so when it comes to a fire with Magnesium. Magnesium burns equally as well with Nitrogen instead of Oxygen.
Why do metals burn more brightly in oxygen than in air?
the general formula for combustion is someting like this: organic (carbon/hydrogen based substance)+ oxygen goes to carbon dioxide+ water + ash pure oxygen is a very important component of this reaction, but normal air is less than a quarter oxygen, so the effect is diluted
Why does sulfur burn more rapidly in oxygen than in air?
Well, oxygen supports burning. Fire needs fuel, oxygen and a spark or another source of ignition. So the more oxygen there is, the faster your substance will burn! There is 21% oxygen in air, and when you have an atmosphere of oxygen, it can go to quite high concentrations. So sulphur will burn in an atmosphere which has a higher oxygen content.
Why does fire burn fast?
Fire does not burn, its whatever if fueling the fire that burns. For example, wood is a fuel that burns, and fire is the result. The speed at which a fuel burns, depends on the fuel. i.e. Wood burns much slower than gasoline.
