
physical chemistry - General rules for deciding volatility
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 vapor pressure vaporizes more readily than a substance with a …
how to determine the volatility of an organic compound using the ...
Feb 12, 2017 · Vapor pressure is the physical property that expresses a compound's volatility at a given temperature, and the enthalpy of vaporization describes the temperature dependence of the vapor pressure. For some compounds, like water, there are tables and formulae readily available for determining the vapor pressure at different temperatures.
What is the difference between volatility and evaporation?
Volatility is essentially the tendency of a liquid to evaporate. So a highly volatile liquid would show a great tendency to evaporate. A measure of volatility is the vapor pressure. There is a very related term partial pressure. So if we think of air as being nitrogen and oxygen, then there is a partial pressure for nitrogen and a partial ...
Is using melting/boiling point good to measure volatility?
Mar 16, 2017 · 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 vapor pressure vaporizes more readily than a substance with a lower vapor pressure.
Why does decreasing the pressure of the system increase the …
Feb 13, 2015 · If the relative volatility increases when system pressure is decreased, does that mean it is always more efficient to perform fractional distillation under a partial vacuum? Figure 1 Two nomographs measured via Pressure-Temperature Nomograph Interactive Tool by Sigma-Aldrich decreasing the system pressure to $\pu{1 mm}$ for two arbitrary ...
inorganic chemistry - How is volatility useful in the production of ...
May 4, 2016 · Sulfuric acid because of its low volatility can be used to manufacture more volatile acids from their corresponding salts. How does volatility affect the production of acids? Isn't it that sulfuric acid being stronger than the salt of weak acid replaces the anion part of salt so the weak acid is produced or does just the low volatility of ...
How to increase volatility? - Chemistry Stack Exchange
Dec 23, 2019 · Is it possible to put a substance with low volatility into a highly volatile solvent, thus make the original substance also vaporize quickly?
thermodynamics - If volatility depends on intermolecular forces, …
Dec 4, 2019 · This means you can in fact have solute and solvent interacting via identical potentials and yet having different volatility. It can be readily shown that a condition satisfied by an ideal mixture that follows Raoult's law is that the heat of mixing $$\Delta_{mix} H=H_{12}-\chi_1 H_{11} - (1-\chi_1)H_{22}$$ be equal to zero.
How to compare volatility of inorganic acids - Chemistry Stack …
May 12, 2021 · Sulfuric acid because of its low volatility can be used to manufacture more volatile acids from their corresponding salts. To use this statement in practice I need to compare the volatility of the acids. My book states that using this principle above $\ce{HF, HCl, HNO3}$ can be formed as some examples.
organic chemistry - Why is picric acid not more steam volatile than …
Feb 25, 2024 · How does this contribute to steam volatility? Also, assuming that it is true that steam volatility is a result of intramolecular H bonding, then picric acid would be more steam volatile than p-nitrophenol, which is not true (as it has a higher boiling point). Doesn't this result directly contradict the assumption?