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 …
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 …
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
In chemistry and physics, volatility is the tendency of a substance to vaporize. Volatility is directly related to a substance's vapor pressure. At a given temperature, a substance with higher …
Why vapor pressure is unaffected by change in atmospheric pressure
Jul 5, 2021 · By definition vapor pressure seems the pressure of vapor ABOVE the liquid which is in equilibrium with liquid and how the hell we are applying the concept of vapor pressure in …
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 - 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 …
What is the condensation point of water? - Chemistry Stack …
Jun 12, 2013 · In other words, what is the Condensation Point of water? The dew point is the point at which liquid water would condense from the atmosphere, and the frost point is the …
Vapor Pressure and Boiling Point - Chemistry Stack Exchange
May 16, 2020 · 2 When a substance's multiple phases are in thermodynamic equilibrium with each other the vapor pressure is the pressure exerted by a vapor existing above a liquid …