CBE 3223 HOMEWORK 4
Due March 28,2014
1. Equilibrium flash of a hydrocarbon mixture
One hundred kmol of a feed composed of 25 mol% n-butane, 40% mol% n-pentane, and
35 mol% n-hexane is flashed. If 80% of the hexane is in the liquid at 400K, what are the
p

CBE 3233 Homework 7
1. A distillation column separating ethanol from water is shown in the following figure.
Pressure is 1 kg/cm2. Instead of having a condenser, a stream of pure liquid ethanol
is added directly to the column to serve as the reflux. This

1. In an oxygennitrogen gas mixture at 1 std atm, 25%.), the concentration of oxygen at two
planes 2 mm part are 10 and 20 vol% respectively. Calculate the flux of diffusion of the oxygen
for the case where: '
(a) The nitrogen is non-diffusing.
(b) Ther

CBE 3233 HOMEWORK DUE
1/31/12
Q1. A distillation column separates a feed stream into distillate and bottoms streams.
The flow rate of the feed stream is 445.5 k mol/h, and the flow rates of the distillate
and bottoms streams are 175.5 k mol/h and 270 k mo

CBE 3233 Separation HW9 Due 5/9/2013
Q1. Module flow pattern and membrane area. A mixture of 60 mole% propylene and 40
mol% propane at a flow rate of 100 lbmol/hr and at 25C and 300 (400) psia is to be
separated with a polyvinlytrimethylsilane polymer (se

CBE 3233 Homework 8
Due April 25, 2013
1. A distillation column with a total condenser is separating acetone from ethanol. A
distillate concentration of xD=0.9 mole fraction acetone is desired. Since CMO is valid,
L/V=constant. If L/V is equal to 0.8, fin

CBE 3233 Separation Homework 6
Due April, 16,2013
1. W e are separating a mixture of methanol and water in a flash drum at 1 atm
p ressure. Equilibrium data are listed in following.
(a) Feed is 60 mole% methanol, and 40% of the feed is vaporized. What are

CBE 3233 Homework 5
Due April 8, 2013
1. A gas stream containing 3 mol % H2S enters an absorption column. The composition
of H2S in the gas stream is to be reduced to 0.1 mol% by the use of water. The molar
ratio L/V is 2 times the minimum. Equilibrium be

HW 6
Siyao Liu
0529919
Matlab Code:
1. MC method
%Option Pricing HW 6
et up the initial value
t=1;K=100;s0=110;r=0.05;sig=0.2;
et up value of n and m
n=1000000;m=1000;
dt=1/m;
a=(r-0.5*sig^2)*dt;
b=sig*sqrt(dt);
Cprice=zeros(1,n);
for i=1:n
z=randn(1,m);

Experiment VIII Standard Molar Volume
Spring 2014
1
Standard Molar Volume
(Volume of One Mole of Gas at STP)
In your text (Chang, 7h Ed) : 5.3 5.5 especially Fig. 5.10 and Fig. 5.14, with
accompanying text regarding collecting gas over water and the use o

Exp. 9-Calorimetry
CM1004
Spring 2014
1
Exp. 9-Calorimetry
Heat Energy Associated with Chemical and Physical Changes
In your text (Chang, 7h Ed) : Section 6.5, esp. Constant Pressure Calorimetry
INTRODUCTION
Calorimetry is the measurement of heat changes

Lecture 2
Scalar functions of vectors and their derivatives
Vector functions of vectors and their derivatives
Multivariate probability theory
Quadratic forms
FRE 6711 Portfolio Theory and Applications - Copyright F. Novomestky 2007
Multivariate Functions

The Bear
7 Parts, 12 Stanzas
Gruesome, Bear Hunting
Surviving in the wild
Patient experienced Bear hunter
Preparation for hunting the bear
Acting like the bear, resting in the same locations
Kills bear, and eat to survive
Dreams of being one with the bear

Lecture 2
Scalar functions of vectors and their derivatives
Vector functions of vectors and their derivatives
Multivariate probability theory
Quadratic forms
FRE 6711 Portfolio Theory and Applications - Copyright F. Novomestky 2007
1
Multivariate Function