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∙ 12y agowhite out
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Flammability is a chemical property that tells whether a substance reacts in the presence of?
Flammability is a chemical property that indicates how well a substance reacts with the element oxygen. Flammability requires oxygen in air for a substance to ignite, or lead to combustion. In regards to flammable liquid, a term often used is flash point, which is the minimum temperature required by flammable liquids to give off enough vapors into the air and begin to burn at their surfaces.
Can there be an explosion caused by dust?
If the dust comes from a flammable/combustible material - sure. But you'd still need a flame or a spark to set it off.
Do ice packs take in or give off heat energy?
give off heat
How do microwaves give off radiation?
Microwaves do not 'give off' radiation as such. Microwaves are radiation.
What do all objects give off?
All objects give off thermal radiation.
What flammable liquid gives off vapors at below room temperature?
Propane and butane
How would you define a 'flammable material'?
4.1
Is ketone a flammable liquid that gives off vapors at below room temperature?
No one ketone is gas at room temperature.
Why vapours of flammable substances pose such a serious hazard?
It is not the flammable liquid that ignites, but the vapors (or vapours for our British cousins) that ignite. Vapor can travel a considerable distance from the liquid to an unforeseen source of ignition, and flash back when ignited. They can fill a large area, with a resulting LARGE fire when ignited. The distinction between flammable and combustible is the "flash point" the temperature at which the liquid gives off an ignitable vapor- flammables have a flash point below 100 degrees F. Many flammable liquid vapors are heavier than air, and can settle into the bilges of a boat, awaiting ignition.
Why does petrol explode?
Flammable liquids give off vapors that will ignite under sufficient pressure, but generally speaking will not explode. Petrol vapor will flash at normal pressures in the correct air/fuel ratio. While not actually an explosion, it is a very fast burn and could create an explosion if contained.
Are the vapors off of sulfuric acid harmful?
These vapors are extremely corrosive and dangerous.
Can a person heat gasoline safely to collect the vapors that is put off?
Theoretically, you could, but it would be extremely dangerous to do so unless you have the proper training and specialized equipment to safely process and collect it. The vapors are (unsurprisingly) extremely flammable, and the slightest spark, even from static electricity, could set it it off and make it explode. Plus, gasoline fumes are harmful to breathe in.
Is X-ray film flammable?
It used to be very flammable back in the 1930's and 40's and actually caused some fires in hospitals. Now they're much more resistant, but might be somewhat flammable. It might not be good to burn off the chemicals that are in the film though.
Is plastic wrap flammable?
Yes, it is. But it melts first, and the incomplete oxidation can give off toxic gases.
Flammability is a chemical property that tells whether a substance reacts in the presence of?
Flammability is a chemical property that indicates how well a substance reacts with the element oxygen. Flammability requires oxygen in air for a substance to ignite, or lead to combustion. In regards to flammable liquid, a term often used is flash point, which is the minimum temperature required by flammable liquids to give off enough vapors into the air and begin to burn at their surfaces.
Can wind put out fire?
If the wind is strong enough it can blow out the fire, but that is typically not the case for light winds. In a fire you have combustible material giving off flammable vapors and the wind just blows the flame from one piece of fuel to another.
Can 100 proof whiskey ignite at very cold temperatures?
No, the norm is to heat alcohol to ignite it, this causes the whisky or other alcohol to give off vapors which can then be ignited. The flash point (temperature at which a substance gives off vapors) of alcohol is 54F (12C), so anything below that will not ignite.
