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Abbo · 3rd February 2008, 12:09

I'm not a chemist, but I would presume the answer to your bell jar question is that the candle is made of paraffin wax:
C25 H52 + 51 O2 -> 25 CO2 + 52 H2O
So the ratio is 25 CO2/ 51 O2
The water vapour condenses, so the volume of gas decreases.
It was never explained like that to me at school, though.
Interesting question.

3rd February 2008, 12:09	#4 (permalink)
Abbo Nicholas Smith Current Rebreather/s: Megalodon Other Rebreather/s: Join Date: Aug 2006 Location: Tokyo Posts: 449	Re: Volume Of O2 =what Volume Of Co2 I'm not a chemist, but I would presume the answer to your bell jar question is that the candle is made of paraffin wax: C25 H52 + 51 O2 -> 25 CO2 + 52 H2O So the ratio is 25 CO2/ 51 O2 The water vapour condenses, so the volume of gas decreases. It was never explained like that to me at school, though. Interesting question.
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