1. The melting of a perfectly crystalline substance is an equilibrium process characterized by a marked volume change and a well-defined melting temperature. 2. If these reactions are carried out at constant volume changes in number of moles of gas with change in gas pressure which can be measured using a manometer. 3. There is no volume change on mixing the two components. 4. The music sounds as if it were made by a working band, with volume changes and improvisation. 5. Today, the darling of Wall Street is technical analysis - basing decisions on clear-cut mechanical signals such as statistics on new highs and new lows and volume changes. |