Sentence Examples with the word change of state

In some cases, however, they are filled with fused acetate of soda; this salt is solid when cold, but when the can containing it is heated by immersion in hot water it liquefies, and in the process absorbs heat which is given out again on the change of state back to solid.

The most instructive example of the application of relations (I) and (2) is afforded by the change of state of a substance at constant temperature and pressure.