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In chemistry, volatility is a material quality which describes how readily a substance vaporizes. At a given temperature and pressure , a substance with high volatility is more likely to exist as a vapour , while a substance with low volatility is more likely to be a liquid or solid .
Relative volatility is a measure comparing the vapor pressures of the components in a liquid mixture of chemicals. This quantity is widely used in designing large industrial distillation processes.
The equilibrium vapor pressure is an indication of a liquid's thermodynamic tendency to evaporate. It relates to the balance of particles escaping from the liquid (or solid) in equilibrium with those in a coexisting vapor phase. A substance with a high vapor pressure at normal temperatures is often referred to as volatile. The pressure ...
Volatility (finance), degree of variation over time; Volatiles, the volatile compounds of magma (mostly water vapor) that affect the appearance and strength of volcanoes; Stochastic volatility, in the mathematical theory of probability; Pedersen index, a measure of electoral volatility in political party systems
The vapor pressure affects the solute shown by Raoult's Law while the free energy change and chemical potential are shown by Gibbs free energy. Most solutes remain in the liquid phase and do not enter the gas phase, except at very high temperatures. In terms of vapor pressure, a liquid boils when its vapor pressure equals the surrounding pressure.
When trading stocks or stock options, there are certain indicators you may use to track price momentum. Implied volatility, which measures how likely a security’s price is to change, can be ...
Large-scale industrial distillation is rarely undertaken if the relative volatility is less than 1.05 with the volatile component being i and the less volatile component being j. [ 2 ] K values are widely used in the design calculations of continuous distillation columns for distilling multicomponent mixtures.
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