Paraldehyde is moderately soluble in water, and when distilled with sulphuric acid is reconverted into the ordinary form.
Finally, the substance is reconverted into the first state at the temperature 0", completing the cycle by the abstraction of a quantity of heat By the application of the first law, the difference of the quantities of heat absorbed and evolved in the cycle must be equal to the work represented by the area of the cycle, which is equal to (p' - p") (v" - v') in the limit when the difference of pressure is small.
The old Calvinist nobility of Lithuania were speedily reconverted; a Uniate Church in connexion with Rome was established; Greek Orthodox congregations, if not generally persecuted, were at least depressed and straitened; and the Cossacks began to hate the Pans, or Polish lords, not merely as tyrants, but as heretics.
Melsens reconverted this derivative into the original acetic acid by reduction with sodium amalgam.
A large part of the Great Plains to the east of the Rockies was taken up as farms in the decade 1880 1890; abandoned afterwards, because of its aridity, to stock grazing; and reconverted from ranches into farms when a system of dry farming had proved its tillage practicable.