-
because enthalpy is a
state function.
Enthalpies of
chemical substances are
usually listed for 1 bar (100 kPa)
pressure as a
standard state.
Enthalpies and...
- one mole of
product is formed. This is true for all
enthalpies of formation. The
standard enthalpy of
formation is
measured in
units of
energy per amount...
- to 100 °C (cp = 75.3 J/K·mol). Care must be taken, however, when
using enthalpies of
vaporization to
measure the
strength of
intermolecular forces, as these...
-
reaction is the
difference between total product and
total reactant molar enthalpies,
calculated for
substances in
their standard states. The
value can be...
-
standard enthalpies of formation,
which may be used to
predict the
enthalpy change in
complex synthesis. Hess's law
states that the
change of
enthalpy in a...
- In thermodynamics, the
enthalpy of
fusion of a substance, also
known as (latent) heat of fusion, is the
change in its
enthalpy resulting from providing...
-
experimentally determined total-mixture
enthalpies and
tabulated pure
species enthalpies, the
difference being equal to
enthalpy of mixing. More
complex models...
-
stagnation enthalpy of a
fluid is the
static enthalpy of the
fluid at a
stagnation point. The
stagnation enthalpy is also
called total enthalpy. At a point...
-
tabulated bond
energy values are bond
enthalpies. More recently, however, the free
energy analogue of bond-dissociation
enthalpy,
known as the bond-dissociation...
- none are formed, so
enthalpies of
atomization are
always positive. The ****ociated
standard enthalpy is
known as the
standard enthalpy of atomization, ΔatH⊖/(kJ mol−1)...
