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.
1 Utility costs are expenses for electricity, gas, other heating and cooking fuels, water and sewer. 2  In larger spaces, utilities are separately metered and paid by the Tenant. 3  In small spaces, utilities may not be separately metered and are apportioned among all users.tility costs. 1  Utility costs are expenses for electricity, gas, other heating and cooking fuels, water and sewer. 2  In larger spaces, utilities are separately metered and paid by the Tenant.