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 …
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 …
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 …
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 …
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 …
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 …
How to calculate the vapour density of a mixture?
Jul 16, 2017 · Was it safe to assume that the amount of substance of mixture equals that of the amount of substance of both the gases? Amount of substance is additive, just like mass. You …
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 …
Why does the vapour pressure not depend on the surface area …
Apr 10, 2023 · I think that you forget about molecules re-entering the liquid from the vapour. Eventually the vapour will come into equilibrium with its liquid and so the rate of leaving the …