Volatility (chemistry) Volatility (chemistry) In chemistry and physics, volatility is quantified by 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. The term is primarily written to be applied to liquids; however, it may be used to describe the process of sublimation which is associated with solid substances, such as dry ice (solid carbon dioxide) and osmium tetroxide (OsO), which can change directly from the solid state to a vapor, without becoming liquid. The
A Woman of Substance ten years after Emma's death. All three programmes are available on DVD. A Woman of Substance A Woman of Substance is a novel by Barbara Taylor Bradford, published in 1979. The novel is the first of a seven-book saga about the fortunes of a retail empire and the machinations of the business elite across three generations. The series, featuring Emma Harte and her family also includes "Hold The Dream", "To Be The Best", "Emma's Secret", "Unexpected Blessings", "Just Rewards" and "Breaking the Rules". "A Woman of Substance" was adapted as "an eponymous television miniseries" as were the sequels "Hold The