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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.
What word means to give off heatWhat word means to give off What word means to give off heatheat?
The word you are looking for is "radiate." To radiate means to give off heat or energy in the form of rays or waves.
How much heat do humans give off on average?
On average, humans give off about 100 watts of heat energy.
How do you turn off a glow stick?
Unfortunately, there is no way to turn off a glow stick. The light from a glow stick comes from mixing two chemicals together. One chemical is inside a fragile glass vial, suspended in the second chemical. Whe the glass breaks, the chemicals mix and you get light until the chemicals finish reacting. There are military surplus stores and camping supply departments that sell glow stick covers. You "turn off" the light by dousing it -- covering it.
How many volts does a stingray give off?
A stingray can give off up to 220 volts when it delivers an electric shock as a defense mechanism.
Is ketone a flammable liquid that gives off vapors at below room temperature?
Yes, ketones are flammable liquids that give off vapors at temperatures below room temperature. For example, acetone is a common ketone that is highly flammable and evaporates easily at room temperature, producing flammable vapors. Proper caution should be taken when handling ketones to prevent fire hazards.
What flammable liquid gives off vapors at below room temperature?
Gasoline is a flammable liquid that gives off vapors at temperatures below room temperature, which can ignite easily when exposed to a flame or spark.
How would you define a 'flammable material'?
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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.
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.
What vitamins does the sun give off?
Vitamins are chemicals the Sun does not give off any chemicals that we can absorb on Earth. When certain wavelenghts of UV light hit our skin we can make vitamin D3 from cholesterol.
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.
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 games be burned?
Yes, but do so in a well ventilated area, as the chemicals used to produce compact discs give off toxic vapors when burned.
What is chemicals contained in bodies of animals that give off lights when combine with oxygen?
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