Chemical stability when used in the technical sense in chemistry, means thermodynamic stability of a chemical system. Thermodynamic stability occurs when a system is in its lowest energy state, or chemical equilibrium with its environment.This may be a dynamic equilibrium, where individual atoms or molecules change form, but their overall number in a particular form is conserved.This type of chemical thermodynamic equilibrium will persist indefinitely unless the system is changed.his may be a dynamic equilibrium, where individual atoms or molecules change form, but their overall number in a particular form is conserved. This type of chemical thermodynamic equilibrium will persist indefinitely unless the system is changed.
Rate base (utility) Rate base is the value of property on which a public utility is permitted to earn a specified rate of return, in accordance with rules set by a regulatory agency. In general, the rate base consists of the value of property as used by the utility in providing service.
If the balance shows a surplus, it reduces rates the. following year; if it shows a deficit, it increases rates the. following year. Allowed return on investment â Commonly called. âallowed rate of return,â it is the return or profit a utility. is allowed an opportunity to earn. It is calculated as a. percentage of the utilityâs rate base. Rate base â The utilityâs investment in its facilities and.