# What is Free Energy

## Definition – What does Free Energy mean?

A gadget that operates thermodynamically possesses free energy, which is the quantity of work that can be carried out with the aid of this thermodynamic system. Free power can also be referred to as the distinction between the interior electricity and un-useful power that cannot be used to operate any work. Per the first regulation of thermodynamics, free strength is that strength that is reachable to function any sort of work.

### Corrosionpedia explains Free Energy

The first regulation of thermodynamics states that the complete electricity of any isolated device is constant, which capability that power can neither be created nor can it be destroyed, however, it can be converted from one form to some other (i.e., the energy is usually conserved). Some of the range of measures of free power features are:

• Helmholtz free strength – Per this free electricity system, at a steady quantity and temperature, the free power can be converted into work. This gadget is expressed via the equation:
A = U – T x S

where A is Helmholtz free energy
U is the inner strength of the system
S is entropy
T is an absolute temperature

• Gibbs free strength – Per this free energy system, at a constant strain and temperature, the free strength can be transformed into work. This machine is expressed by means of the equation:
G = H – T x S
where G is Gibbs energy
H is enthalpy
S is entropy
T is an absolute temperature