Fugacity: It is derived from Latin, expressed as fleetness or escaping ...
Fugacity: It is derived from Latin, expressed as fleetness or escaping ...
Fugacity: It is derived from Latin, expressed as fleetness or escaping ...
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i <br />
<br />
P<br />
<br />
<br />
T , n<br />
V<br />
i<br />
Th<strong>is</strong> equation represents the effect of pressure on chemical potential<br />
<strong>Fugacity</strong> in solutions<br />
F<strong>or</strong> pure fluids fugacity <strong>is</strong> explained <strong>as</strong><br />
dG RTd ln<br />
f<br />
lim P0<br />
1<br />
P<br />
f<br />
The fugacity of the component i in the solution <strong>is</strong> defined <strong>as</strong> analogously by<br />
d RTd ln f<br />
i<br />
lim<br />
P0<br />
f<br />
P<br />
i<br />
i<br />
i<br />
1<br />
i <strong>is</strong> Chemical potential<br />
f i <strong>is</strong> partial molar fugacity<br />
F<strong>or</strong> ideal g<strong>as</strong>es Pi yi<br />
PT<br />
PT – Total pressure.<br />
<strong>Fugacity</strong> in G<strong>as</strong>eous solutions<br />
We know that<br />
t G<br />
<br />
i Gi<br />
------(1)<br />
ni<br />
<br />
T , P,<br />
n<br />
j<br />
differentiating equation (1) with respect to T at constant P<br />
2<br />
<br />
i G<br />
<br />
P<br />
-----(2)<br />
Pdn<br />
T , n<br />
i
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