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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Δf 0 f<br />
(J)<br />
ΔG 0 f<br />
(J)<br />
ΔG 0 298 = – 318218 – 237130 + 389900 + 174780 = 9332 J<br />
We have, ΔG 0 298 = – RT ln K<br />
ΔH 0 298 = – 463250 – 285830 + 277690 + 484500 = 13110 J<br />
9332 = – 8.314 (298) ln K1 <strong>or</strong> K1 = 0.02313<br />
and f<strong>or</strong> K2 at 373K we have<br />
Component<br />
CH3COOH<br />
(L)<br />
Moles<br />
in feed<br />
C2H5OH<br />
(L)<br />
Moles<br />
reacted<br />
Moles<br />
present<br />
Mole<br />
fraction<br />
CH3COOH 1 X 1 – X (1 – X) / 2<br />
C2H5OH 1 X 1 – X (1 – X) / 2<br />
CH3COOC2H5 -- X X X / 2<br />
H2O -- X X X / 2<br />
2<br />
CH3COOC2H5(L) H2O (L)<br />
- 484500 - 277690 - 463250 - 285830<br />
- 389900 -174780 - 318218 - 237130<br />
K1 ln<br />
K2 H<br />
1 1 <br />
<br />
R T1 T2<br />
<br />
0.02313 12110 1 1 <br />
ln OR K 2<br />
K 8.314 298 373 <br />
0.067<br />
K2 0<br />
K y P<br />
x <br />
<br />
2<br />
<br />
<br />
0.067= <br />
2<br />
1 x <br />
<br />
2<br />
<br />
<br />
2<br />
x<br />
2<br />
(1) x<br />
solving, x = 0.252<br />
x 0.252<br />
mole fraction of CH3COOC2H 5 0.126<br />
2 2<br />
2<br />
2
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