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Results tagged with phase
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user 21617
An entity of a material system which is uniform in chemical composition and physical state. This tag should be applied to question regarding chemical and physical properties of phases, systems of phases and also phase transition processes.
4
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Why is the reported melting point of formaldehyde so different from the triple point?
All of the (believable) sources at PubChem and most of the sources at NIST give 181 K for the melting point.
The one source I can find for the triple point is NIST, which gives 155 K.
There are two po …
- 399
5
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Describing evaporation without entropy -- what about Helmholtz?
I have in mind a rigid, impervious, heat-insulating vessel containing a monatomic liquid and vacuum. The vessel has an insulating forcefield inside, exactly at the surface of the liquid. It can be tog …
- 399