If an inverted glass jar is put over a burning candle, resting in a shallow bowl of water, the candle?

Question

If an inverted glass jar is put over a burning candle, resting in a shallow bowl of water, the candle
burns for a few seconds longer and then goes out. Explain what happens to the water level inside
the jar, together with the reasons for this behaviour.

Answer 1

You have basically described the Bell-Jar experiment used to prove the existence of Oxygen being required for combustion and that it occupies approximately 20% by volume of the atmosphere at sea level.The water level rises because the Oxygen combines with the carbon to from CO2, and hence a partial vacuum is created inside the jar to the extent of the space occupied and the pressure exerted by the oxygen.
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Answer 2

The O2 would be ate up and could take in much less area, which will enable the water point to upward thrust interior the bell jar because of the drop in rigidity on the challenge of the atmospheric rigidity. A boiled egg would be drawn right into a pitcher milk bottle whilst located on the mouth of the bottle with the candle lit interior the bottle.

Answer 3

the water level rises
the candle uses the oxygen which creates a vacuum in the jar