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

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Estimation of Partial molar properties for a binary mixture : Two methods for estimation Analytical Method and Graphical Method(Tangent Intercept method) Analytical Method: The general relation between partial molar property and molar property of the solution is given by M M i M xk x K T , P, nk For binary mixture i 1, k 2 k i x1 M M 1 M x2 x 2 T , P 2 x1 1 At constant Temperature and pressure M M 1 M ( 1 x1) ------(a) x1 M M 2 M x 1 -----------(b) x1 x , x2 1 x1 , x2 x1 The partial molar property (e xtensive property) for a binary mixture can be estimated from the property of solution using above equations (a) and (b). Tangent Intercept method: This is the graphical method to estimate partial molar properties. If the partial molar property (M) is plotted against the composition we get the curve as shown in the figure.
Suppose partial molar properties of components required at any composition, and then draw a tangent to this point to the curve. The intercept of the tangent with two axis x1=1 and x1=0 are I1 and I2. Slope of the tangent M I x 2 2 I M x 1 1 dM dx 1 dM dx 1 dM M I dx x Comparing I2 with equation (b) 2 2 M I dM I1 M and also (right hand side) dx1 1 x1 I M 1 x 1 I 1 dM dx 1 dM 1 1 M 1 x1 Comparing with equation(a) 1 1 dx1 M I The intercept of the tangent gives the partial molar properties. 1 2
Page 1 and 2: Fugacity: It is derived from Latin,
Page 3 and 4: II method Using compressibility fac
Page 5 and 6: 50 ln f ln 9. 86 10 1 f=26.7
Page 7 and 8: d ln a R dT P o H H This equa
Page 9 and 10: Measuring of partial molar properti
Page 11: Methanol =0.3 mole fraction Water=0
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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