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 assumption.
physical chemistry - What is the differences between partial pressure ...
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 in a …
evaporation - What is the difference between "smell/odor" and "vapor ...
Nov 30, 2022 · 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 compound/element.
General rules for deciding volatility - Chemistry Stack Exchange
May 2, 2012 · 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 …
thermodynamics - Why do we have water vapor at room temperature …
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 reached in a …
physical chemistry - Why is octane more volatile than water while ...
Oct 5, 2023 · 14 Octane has a boiling point of 120 °C. Water has a boiling point of 100 °C. The definition of boiling point is, "the temperature which the liquid substance's saturated vapor pressure equals the …
physical chemistry - How does steam distillation work to extract a ...
Dec 4, 2023 · That water vapor is an inert gas it does have an effect on the vapor pressure of other materials present. The main use of steam distillation is to effect a safe, flameless, heat source at a …
What is the condensation point of water? - Chemistry Stack Exchange
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 temperature at …
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 open …
physical chemistry - Relationship between vapour pressure and …
Aug 4, 2015 · The saturated vapor pressure will be the vapor pressure of a closed system containing liquid and vapor in equilibrium. It will change with the temperature of the system.