Recent Researches in Educational Technologies
Application Of iCON Software In Solving Vapor-Liquid Equilibrium
Problems
SITI ROZAIMAH SHEIKH ABDULLAH1,2, MASTURAH MARKOM2 AND MOHD IQBAL
RAZAK2
1
Deputy Head Centre for Engineering Education Research,
2
Dep

Chapter 4
Distillation
4.1 Vapor Liquid Equilibrium Relations
The equilibrium in vapor-liquid equilibrium is restricted by the phase rule. For a binary
mixture in two phases, the degree of freedom F is given by
F =m+2=22+2=2
(4.1-1)
As an example we will

Problem 1
Exercise : Problem 2.5 text
2.5. One mole of gas in a closed system undergoes a
four-step thermodynamic cycle. Use the data given in
the following table to determine numerical values for
the missing quantities, i.e., "fill in the blanks.
Problem

Tutorial 4 chapter 4
Q(1)
Ammonia gas is heated from 325 K to 750 K. Using the ideal gas heat capacity given by the
Shomate Equation, calculate the U and H in J/mole.
Q(2)
Liquid methanol is heated from 25oC to 100oC in the piston-and-cylinder device show

Cubic Equation of
State
van der Waals
David Bilhartz
Erin Lee
Lauren Carter
Jennifer Loving
van der Waals Equation of State
RT
a
P
2
Vb V
parameters a and b are positive constants
ideal gas equation is recovered when a
and b are 0
Cubic Equation of State