Fugacity: It is derived from Latin, expressed as fleetness or escaping ...

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Activity(a): It is defined as the fugacity of the existing condition to the standard state fugacity f a o f Effect of pressure on activity The change in Gibbs free energy for a process accompanying change of state from standard state at given condition at constant temperature can be predicted as G RT ln f o G RT ln o f G G G RT ln RT ln a o f at constant temperature dG VdP G dG V G P O o P dP o o G V ( P P ) RT ln a V ( P P ) f o V o ln a ( P P ) This equation predicts the effect of pressure on activity RT Effect of Temperature on Activity G G G o RT ln a o G G R ln a T T Differentiating the above equation with T at constant P G d ln a T R dT P T P o G T T d ln a R dT H 2 RT o H 2 RT P P
d ln a R dT P o H H This equation predicts the effect of temperature on activity. 2 RT
Page 1 and 2: Fugacity: It is derived from Latin,
Page 3 and 4: II method Using compressibility fac
Page 5: 50 ln f ln 9. 86 10 1 f=26.7
Page 9 and 10: Measuring of partial molar properti
Page 11 and 12: Methanol =0.3 mole fraction Water=0
Page 13 and 14: Suppose partial molar properties of
Page 15 and 16: G 1 3 2 18x1 35x1 16x1 101 G 102.
Page 17 and 18: For binary solution G x11 x2 2 Ef
Page 19 and 20: i P T , n V i This equation
Page 21 and 22: Modifying equation (a) RT V dP
Page 23 and 24: For non ideal solutions f i i xik
Page 25 and 26: Problem: Find weather the equation
Page 27 and 28: Phase Equilibrium in single compone
Page 29 and 30: dP dT T Q V V g l Vg>>>Vl (Gas
Page 31 and 32: 1 2 c dn dn dn 1 2 c 1
Page 33 and 34: Effect of pressure on VLE The boili
Page 35: Non ideal solution An ideal solutio
Page 38 and 39: xA- Mole fraction of component A Fo
Page 40 and 41: For binary mixture P x P 1 1 1 V1
Page 42 and 43: A=0.829 B x ln 1 1 ln 2 1 x2
Page 44 and 45: According to Gibbs Duhem equation b
Page 46 and 47: d ln xi dx 1 For binary system d l
Page 48 and 49: differentiating with respect to x1
Page 50 and 51: CHEMICAL REACTION EQUILIBRIUM Energ
Page 52 and 53: H T T T 0 H T 0 2 H298
Page 54 and 55: EFFECT OF TEMPERATURE ON EQUILIBRIU
Page 56 and 57:
o 2 3 0.00975 2 H T T T I 5.
Page 58 and 59:
0 0 G298 We have G 298= -RTln K298
Page 60 and 61:
The hydration of Ethylene to alcoho
Page 62 and 63:
Effect of variables on equilibrium
Page 64 and 65:
y K K K K P c c y n C
Page 66 and 67:
The standard free energy change for
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Fugacity: It is derived from Latin, expressed as fleetness or escaping ...

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