Re: VIDEO: A seriously overpowered train (1173342) | |||
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Re: VIDEO: A seriously overpowered train |
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Posted by Olog-hai on Sun Aug 19 13:29:40 2012, in response to Re: VIDEO: A seriously overpowered train, posted by Chris R16/R2730 on Sun Aug 19 13:00:30 2012. No; deuterium is heavier than hydrogen due to the single neutron; normal hydrogen has no neutrons. Heavy water (deuterium oxide) is most definitely heavier than normal water, and not on a molecular (microscopic) scale but on a macroscopic scale (20 grams per mole and density of 1,107 kg/m³ for D2O versus 18 grams per mole and 1,000 kg/m³ for H2O). |
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