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.
What is the differences between partial pressure and vapour 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 …
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 …
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 …
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 …
Why is the relationship between vapour pressure and boiling point of ...
Dec 26, 2023 · 3 If you took out vapor at some moment and if you put it in a container of a fixed volume then its pressure would linearly grow with temperature, as in the Charles' law. The point is, amount of …
what's the difference between gas and vapour? [duplicate]
Nov 28, 2022 · A vapor is a gas in possible equilibrium with its liquid [or solid] at a temperature below its critical T and either in contact with the liquid or at the equilibrium vapor pressure. If not at a sufficient …
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 …
Question about vapor pressure in solids and liquids
Jun 14, 2023 · I've been reading about vapor pressure and it's a bit confusing. For example when water is in equilibrium between the solid and liquid phase, my textbook says that the vapor pressure is …
evaporation - What is the difference between "smell/odor" and "vapor ...
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 compound/element. …