The temperature of the air around the candle was raised to 200 C before glass was put over the candle. After the candle was put out, the air cooled down to normal conditions. How much water entered the glass due to heating and expansion of air? The glass has volume 300 ml. Assume all the water vapour condensed to water.
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The experiment described here is very famous and is used by many teachers and students to show that there is 21% oxygen in air. In this demo experiment I will show that the real physics of rising water is very different.
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