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Results tagged with physical-chemistry
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user 103369
The study of chemical systems using the laws and concepts of physics. This usually requires the techniques of thermodynamics, statistical mechanics and quantum mechanics.
13
votes
Accepted
What does n(Na2CO3) mean?
Yes, the standardized quantity symbol according to ISO 80000-9:2009 Quantities and units — Part 9: Physical chemistry and molecular physics as well as the recommended quantity symbol according to IUPA …
- 4,823
3
votes
What pressure does liquid nitrous oxide need at −45 °C?
Using NIST Reference Fluid Thermodynamic and Transport Properties Database (REFPROP) – NIST Standard Reference Database 23, Version 9, I found the saturation point of nitrous oxide at equilibrium for …
- 4,823
2
votes
Accepted
How can I measure the energy contained within water vapor?
The absolute values of internal energy $U$ or enthalpy $H$ (which could be more useful for water vapour) at a single state point are meaningless. It is only the difference between two different state …
- 4,823