About 92,500 results
Open links in new tab
  1. 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 …

  2. What is the differences between partial pressure and vapour …

    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 …

  3. 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 …

  4. 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 …

  5. 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 …

  6. 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 …

  7. physical chemistry - Relationship between vapour pressure and …

    Aug 5, 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.

  8. 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 …

  9. 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 …

  10. What is the condensation point of water? - Chemistry Stack …

    Jun 12, 2013 · The boiling point of water is 100 ∘C 100 ∘ C. However, we find that even at room temperature, water can evaporate into gas. Therefore, water vapor can exist at temperatures …