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Volatility |
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volatility [‚väl·ə′til·əd·ē]
(thermodynamics) The quality of having a low boiling point or subliming temperature at ordinary pressure or, equivalently, of having a high vapor pressure at ordinary temperatures. Volatility the property of liquid and solid substances of passing into the gaseous state. Volatility is measured by the concentration of saturated vapor for a substance at a particular temperature; it is expressed in milligrams per cu m or milligrams per liter and is calculated using the equation of state for ideal gases. The volatility of a substance increases with increasing temperature because of an increase in its saturated vapor pressure. In thermodynamics, “volatility” is also used in place of “fugacity.” Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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