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.