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3 votes

Calculating the amount of water condensed when cooling below the dew point

The maximum vapor pressure of water is $\pu{4243 Pa}$ at $\pu{30°C}$, and $\pu{872 Pa}$ at $\pu{5°C}$. If the original humidity is $\pu{60}$%, it means that the initial vapor pressure is $\pu{0.600 · ...
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2 votes

Pressure and temperature relation of Novec 1230

Novec™ 1230 is basically just 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)pentan-3-one. The pressure–temperature relation is given by the manufacturer as a graph: Novec™ 7100 is a mixture of 1,1,...
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15 votes

Are molecules exchanged between a solid and liquid in equlibrium?

Even two solids in contact may exchange atoms, such as gold in contact with lead. Accidental cold-welding is a serious problem in space technology, in particular. You can prove to yourself that ice/...
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