Hydrocarbon Phase Behaviour
Component Mole fraction
Propane 0.61
n-Butane 0.28
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Question 1: [40 marks] Calculate the bubble-point pressure, dew- point pressure and the compositions at a temperature of 150OF for the given mixture using two methods
1- Cox-chart method. 2- K-chart method.
1- Bubble and dew pressures by Cox chart [15 Marks]. 2-Bubble and dew pressures by K-chart [20 Marks]. 3- compositions at bubble pressure[5 Marks].
Question 2: [40marks]
a- Gas density in kg/m3 [20 Marks]
b-Gas viscosity in cP ( using individual gas viscosities) [20Marks]
Component Mole fraction (xi)
Propane 0.51
n-Butane 0.28
n-Pentane 0.21
Question 3: [20 marks] At which temperature does the following system is equilibrated at a pressure of 400Psi using K charts
