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Specific energy
Energy density
has tables of specific energies of devices and materials.
Specific energy
is
energy
per unit
mass
. (It is also sometimes called "energy density," though "energy density" more precisely means
energy per unit volume
.) It is used to quantify, for example, stored
heat
or other
thermodynamic properties
of substances such as
specific internal energy
,
specific enthalpy
, specific
Gibbs free energy
, and specific
Helmholtz free energy
. It may also be used for the
kinetic energy
or
potential energy
of a body. Specific energy is an
intensive property
, whereas energy and mass are
extensive properties
.
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