More Related Content More from Mete Cantekin (7) Cengel ch122. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
FIGURE 12-1
The mass of a
mixture is equal to
the sum of the masses
of its components.
12-1
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FIGURE 12-2
The number of moles of
a nonreacting mixture is
equal to the sum of the
number of moles of its
components.
12-2
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FIGURE 12-3
The sum of the mole
fractions of a mixture is
equal to 1.
12-3
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FIGURE 12-5
Dalton’s law of additive
pressures for a mixture
of two ideal gases.
12-4
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FIGURE 12-6
Amagat’s law of
additive volumes
for a mixture of
two ideal gases.
12-5
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FIGURE 12-7
The volume a component
would occupy if it existed
alone at the mixture T and P
is called the component
volume (for ideal gases, it is
equal to the partial volume
yiVm).
12-6
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FIGURE 12-8
One way of predicting
the P-v-T behavior of
a real-gas mixture is
to use compressibility
factors.
12-7
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FIGURE 12-9
Another way of
predicting the P-v-T
behavior of a real-gas
mixture is to treat it
as a pseudopure
substance with
critical properties P′ cr
and T′ cr .
12-8
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FIGURE 12-13
Partial pressures (not the
mixture pressure) are used
in the evaluation of entropy
changes of ideal-gas
mixtures.
12-9
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FIGURE 12-16
It is difficult to
predict the behavior
of nonideal-gas
mixtures because of
the influence of
dissimilar gas
molecules on each
other.
12-10
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FIGURE 12-18
For a pure
substance, the
chemical potential is
equivalent to the
Gibbs function.
12-11
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FIGURE 12-20
The specific volume
and enthalpy of
individual
components do not
change during
mixing if they form
an ideal solution
(this is not the case
for entropy).
12-12
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FIGURE 12-21
For a naturally
occurring process
during which no
work is produced or
consumed, the
reversible work is
equal to the exergy
destruction.
12-13
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FIGURE 12-22
Under reversible
conditions, the work
consumed during
separation is equal
to the work
produced during the
reverse process of
mixing.
12-14
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FIGURE 12-23
The minimum work
required to separate
a two-component
mixture for the two
limiting cases.
12-15
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FIGURE 12-24
The osmotic
pressure and the
osmotic rise of saline
water.
12-16
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FIGURE 12-25
Power can be produced
by mixing solutions of
different concentrations
reversibly.
12-17