Timeline for Would a gas "weigh" less than a liquid if they have the same mass?
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| Feb 28, 2017 at 16:40 | comment | added | Eph | If you're concerned about relativity, you should be concerned about the difference in gravitational strength varying with the height of box, relativity would increase the weight by about $10^{-12}$ while the vapor being higher in the box would (assuming a foot tall box) would decrease the weight by $10^{-8}$ both effects would be swamped by considering what else might be in the box. | |
| Feb 28, 2017 at 15:33 | history | answered | Dmitry Grigoryev | CC BY-SA 3.0 |