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Fire is a chemical reaction; it uses oxygen to turn one substance into another. If you cover it, it can't get any oxygen from the air, and so the chemical reaction stops and the fire goes out.
I borrowed the following equation from another online Q&A as an illustration. When propane (carbon and hydrogen) burns, it combines with oxygen to make carbon dioxide (carbon and oxygen) and water (hydrogen and oxygen).
C3H8 + 5O2 --> 3CO2 + 4H20
What else can I help you with?
Is it safe to put a candle in sand?
Oh, absolutely! Placing a candle in sand can actually be quite safe as long as you take some precautions. Make sure the sand is dry and the candle is secure in the sand to prevent it from tipping over. Always keep an eye on the candle while it's burning to ensure it stays contained and doesn't cause any accidents.
What name is given to a process such as a burning candle?
The process of a burning candle is known as combustion. During combustion, the candle wax reacts with oxygen in the air to release energy in the form of heat and light.
Can you use a clinical thermometer to measure the temperature of a candle flame?
No, a clinical thermometer is not suitable for measuring the temperature of a candle flame. Candle flames burn at temperatures much higher than the range typically measured by a clinical thermometer. To measure the temperature of a candle flame, a specialized high-temperature thermometer or pyrometer would be more appropriate.
A crop planted on a field to reduce erosion during the off-season is called?
A cover crop is planted on a field during the off-season to reduce erosion. Cover crops help protect soil from the impact of wind and rain, improve soil structure, and can also add nutrients back into the soil when they are eventually incorporated.
What name is given to a process such as burning a candle?
The process of burning a candle is called combustion, which is a chemical reaction involving oxygen that produces heat and light. During combustion, the wax in the candle combines with oxygen in the air to release carbon dioxide and water vapor along with heat and light.
Why does the light of the candle turn off when the cup cover the candle and the water raises?
the candle light turns off when the cup is placed over the candle and water rushes in due to atmospheric pressure . when cup is placed on the candle all the air goes out and the glass lifts up due to the atmospheric pressure releases from outside of the cup as there is no air inside to balance the pressure exerted out of the cup . thus when the glass lifts up and the water gets into the cup .
How do you turn off the candle on poptropica?
If you mean on Red Dragon, you throw a shuriken at it.
How do you touch a candle?
well personally i like to turn the lights off and play some slow music
Why are candle shades called candle shades?
They are called candle shades because they cover the already lit candle with decorated paper to change the appearance of a room, making it more goofy or romantic and can be any shape, design or pattern and reflect off the walls. They can be used for romantic candle lite dinners.
How fix the turn on and off switch for a Mercedes Ml320?
Be more specific does the light not turn off, did it explode, or did the cover fall off...
How do you get water out of a phone?
TURN IT OFF, take off the cover, TAKE OUT THE BATTERY, turn it upside-down and shake it
When I put my Ipad on to charge I always leave turn it off but it when I come to opening the cover it's on?
The iPads cover will automatically shut it off when you put it on, and turn it on when you take it off. It is perfectly normal for this to happen.
What experiment could you do to prove that oxygen is needed for burnig?
simply cover a burning candle with a glass to cut off the air, then the candle will burn out
What does it mean when a candle holder falls off the wall?
a candle holder that falls off a wall
In the old days people used to walk around with a candle holder as a night light they used to use a snuffer to turn off the candle there is a specific word for this kind of candle holder what is it?
Tenebrae. This refers to the extinguishing of candles after Matins (means plunge into darkness)
How do you prevent extreme evaporation in a hot tub?
Cover it, or turn off the computer.
What is a wick of a candle?
The wax that is burnt off for light or decoration of a candle
