What is the difference between "vapour" and "gas"?
Apr 19, 2021 · Vapor implies the existence of a condensed phase that is the source or destination of the gas, or with which the gas may be in equilibrium; while gas does not make such an …
physical chemistry - What is the differences between partial …
Jan 23, 2014 · Vapor pressure or equilibrium vapor pressure is the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases (solid or liquid) at a given temperature …
evaporation - What is the difference between "smell/odor" and …
Nov 30, 2022 · 1 What is the difference between "smell/odor" and "vapor" of a substance? It is assumed that the vapor of a given compound/element is the gas phase of the same pure …
General rules for deciding volatility - Chemistry Stack Exchange
Volatility is directly related to a substance's vapor pressure. At a given temperature, a substance with higher vapor pressure vaporizes more readily than a substance with a lower vapor pressure.
physical chemistry - Relationship between vapour pressure and …
Aug 4, 2015 · I need clarity on saturated vapour pressure in a closed system at equilibrium. How does saturated vapour pressure relate to vapour pressure?
thermodynamics - Why do we have water vapor at room …
May 6, 2024 · 1 Think of molecules of water liquid escaping into vapor, and molecules of water vapor condensing into liquid. Both processes occur simultaneously, and an equilibrium is …
boiling point - Phases in equilibrium and not in equilibrium ...
Aug 15, 2024 · Water vapor exists below boiling point, and boiling just happens to be a point when water vapor can exist as bubbles in a liquid. For question 2, Why are the phase …
how to determine the volatility of an organic compound using the ...
Feb 12, 2017 · Vapor pressure is the physical property that expresses a compound's volatility at a given temperature, and the enthalpy of vaporization describes the temperature dependence of …
thermodynamics - How does water sublimate at normal …
Jan 10, 2022 · The lyophilizer uses the latter approach, constantly pumping the gas phase out so that the partial pressure of water vapor (which in a closed vacuum system rapidly becomes …
organic chemistry - Vacuum distillation of azeotropic mixtures ...
Apr 19, 2023 · I was wondering if vacuum distillation can seperate azeotropic mixtures. Consider the ethanol/water system. At 95.6% ethanol content, the system forms an azeotrope because …