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The candle burning in the open will burn longer, because it has easy access to oxygen to sustain the reaction.

The flame of the candle burning under the jar will go out quickly, since it will use up its available oxygen faster than the oxygen can be replenished. Even if the jar is open at the bottom, the heat, carbon monoxide, and carbon dioxide produced by the flame will prevent sufficient oxygen from getting to the flame to feed it.

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When a burning candle is covered with a glass it get extinguished why?

When a burning candle is covered with a glass, the oxygen within the covered space gets depleted as the flame consumes the available oxygen. Without sufficient oxygen, the candle flame is unable to sustain combustion and gets extinguished.


Why charcoal stops burning when it is covered with a glass jar?

When charcoal is burning, it requires oxygen for the combustion reaction to continue. When you cover it with a glass jar, the oxygen supply is cut off and the flame is extinguished due to lack of oxygen. The carbon dioxide produced during combustion eventually replaces the oxygen inside the jar, resulting in the charcoal no longer being able to burn.


What happens to the flame of the candle after it was covered by the beaker?

When a candle flame is covered by a beaker, it consumes the available oxygen inside the beaker until it is exhausted. Once the oxygen is depleted, the flame will go out due to the lack of oxygen needed for combustion.


Why burning candle goes off when it is covered by glass cup?

A burning candle goes off when covered by a glass cup because it uses up the available oxygen in the cup, creating a sealed environment with no oxygen for the flame to continue burning. This causes the flame to extinguish due to the lack of oxygen needed for combustion.


Why is mg ribbon cleaned to use of sand paper before burning?

The magnesium ribbon is cleaned with sandpaper before burning to remove any dirt or oxide layers that may inhibit the reaction. This ensures that the magnesium reacts completely when it burns, resulting in a more efficient and successful combustion process. It also helps to ensure a more consistent and reliable reaction when the magnesium ribbon is ignited.

Related Questions

Things that the covered wagon did not have that later forms of transportation did have?

An internal combustion engine, rubber tires, speed control, brakes


What happens to options when a stock undergoes a reverse split?

When a stock undergoes a reverse split, the number of shares outstanding decreases and the stock price increases proportionally. This can affect options by adjusting the strike price and the number of shares covered by the option contract.


What will happen when the evaporating dish has been covered with an inverted funnel upon heating?

Anything evaporated would be funnelled upwards where the vapour could be collected if a tube was to be fastened to the funnel .


When a burning candle is covered with a glass it get extinguished why?

When a burning candle is covered with a glass, the oxygen within the covered space gets depleted as the flame consumes the available oxygen. Without sufficient oxygen, the candle flame is unable to sustain combustion and gets extinguished.


In a chemical reaction mass is covered .this means that?

The mass of reactants is equal to the mass of products.


Why does water does not fall from glass when covered with paper and place inertly?

The water stays in the glass when covered with paper and inverted due to air pressure. The air pressure pushing up on the paper is greater than the force of gravity trying to pull the water out, creating a seal that prevents the water from falling out.


Why charcoal stops burning when it is covered with a glass jar?

When charcoal is burning, it requires oxygen for the combustion reaction to continue. When you cover it with a glass jar, the oxygen supply is cut off and the flame is extinguished due to lack of oxygen. The carbon dioxide produced during combustion eventually replaces the oxygen inside the jar, resulting in the charcoal no longer being able to burn.


What happens to the flame of the candle after it was covered by the beaker?

When a candle flame is covered by a beaker, it consumes the available oxygen inside the beaker until it is exhausted. Once the oxygen is depleted, the flame will go out due to the lack of oxygen needed for combustion.


Will the army discharge you for having a GED?

If you were already accepted with a GED, then you're covered under the grandfather clause. You will, however, be quicker to go on the chopping block is the Army undergoes massive personnel reductions.


If a person is standing on her head her nose is what to her mouth?

The nose can be said to be "inferior" (lower than) the mouth when the body is inverted, as opposed to "superior" when one is upright. The nostrils would be below the mouth and open, as opposed to above the mouth and covered.


What happens when you put mintos in soda?

What happens is that the soda explodes and the hole place is covered in soda. this creates a chemical reaction or somthing...idk, try it ^.^


Why burning candle goes off when it is covered by glass cup?

A burning candle goes off when covered by a glass cup because it uses up the available oxygen in the cup, creating a sealed environment with no oxygen for the flame to continue burning. This causes the flame to extinguish due to the lack of oxygen needed for combustion.