- Is white fire real?
- Can extreme cold put out a fire?
- What is the hottest star color?
- Are black flames the hottest?
- Is purple fire real?
- Is Black Fire Possible?
- Can fire extinguishers freeze?
- What is the lowest temperature fire?
- Can a flame be cold?
- How hot does something need to be to start a fire?
- Is white fire hotter than blue fire?
- What is cold combustion?
- Is it possible to freeze time?
- Why does fire turn things black?
- Is the blue flame cold?
- Is green fire hotter than blue?
- What is the coldest color of fire?
- Can we freeze fire?
Is white fire real?
Generally, the color of a flame may be red, orange, blue, yellow, or white, and is dominated by blackbody radiation from soot and steam..
Can extreme cold put out a fire?
Freezing temperatures won’t stop fires from spreading, but it will change what happens when firefighters arrive on the scene. The video above shows what happens when a fire is put out in bitter cold weather.
What is the hottest star color?
Blue starsWhite stars are hotter than red and yellow. Blue stars are the hottest stars of all.
Are black flames the hottest?
The color of a fire can change based on what is burning. If you found a chemical or element that burned with a very dark flame (though very likely not ever black), you could have a flame that was quite dark. In this case, the flame would not necessarily be any hotter or cooler than any other.
Is purple fire real?
Purple flames come from metal salts, such as potassium and rubidium. … Purple is unusual because it’s not a color of the spectrum. Purple and magenta result from a mixture of blue light and red light. For this project, the fire color comes from the emission spectra of safe chemicals.
Is Black Fire Possible?
Flames emits light and heat, so it seems impossible to make black fire. However, you actually can make black fire by controlling the wavelengths of absorbed and emitted light.
Can fire extinguishers freeze?
A fire extinguisher canister made with water mist and pressurized water—as well as AFFF foam, FFFP foam and class K extinguishers—will freeze when left out in temperatures below 40 degrees Fahrenheit. … Most of these are made to put out electrical fires and class A fires, such as those involving paper, wood and textiles.
What is the lowest temperature fire?
The lowest recorded cool flame temperatures are between 200 and 300°C; the Wikipedia page references n-butyl acetate as 225°C. You can read a lot more about cool flames on that page.
Can a flame be cold?
Cool flame in itself is not a phenomenon limited to space. It’s uncommon on Earth, but it does happen. … As such, a cool fire might persist for far longer periods of time than its hot counterpart; cool flame might even be considered more of an extended chemical reaction that produces some heat rather than proper fire.
How hot does something need to be to start a fire?
Most types of wood will start combusting at about 300 degrees Celsius. The gases burn and increase the temperature of the wood to about 600 degrees Celsius (1,112 degrees Fahrenheit). When the wood has released all its gases, it leaves charcoal and ashes.
Is white fire hotter than blue fire?
When temperatures approach 2,400º F to 2,700º F, flames appear white. … The color blue indicates a temperature even hotter than white. Blue flames usually appear at a temperature between 2,600º F and 3,000º F. Blue flames have more oxygen and get hotter because gases burn hotter than organic materials, such as wood.
What is cold combustion?
The electrical energy is generated by the reaction of H2 and O2 without evolution of any heat called “Cold combustion” With alkaline electrolyte the half-cell reactions are: H2+2OH- —> 2 H2O+2 eH2O +1/2 O2 —-> 2OH-
Is it possible to freeze time?
The simple answer is, “Yes, it is possible to stop time. All you need to do is travel at light speed.” … We know that an object, or a light beam’s, speed measures the distance traversed over time.
Why does fire turn things black?
When an object is burned, such as wood, chicken, etc., the object turns black because of the carbon residue left behind.
Is the blue flame cold?
Ice reflects blue light, so cold temperatures are associated with blue. … However, note that the fire is emitting the light rather than just reflecting it: a flame that is hot enough will emit blue light, and is hotter than the red-emitting fire.
Is green fire hotter than blue?
so…. A green flame is just as hot as any other kind of flame, except it has color added to it, due to the presence of a “contaminant”. … Which color is hotter, blue flame or yellow flame?
What is the coldest color of fire?
Near the logs, where most burning is occurring, the fire is white, the hottest color possible for organic material in general, or yellow. Above the yellow region, the color changes to orange, which is cooler, then red, which is cooler still.
Can we freeze fire?
So, to freeze fire would essentially mean to solidify a substance which is reacting (oxidizing, to be precise), Also, this needs to be done reversibly, i.e., if you apply heat to this hypothetical substance it will become liquid and if you take away heat it will become solid. … It is not possible to freeze fire.