CBE 142 Chemical Kinetics and Reaction Engineering
Homework # 2
Due Tuesday Sep 15th @8am
Problem 1: Equilibrium Conversion
a) The liquid phase reaction A+B C with equilibrium constant K = 10 L/mol is carried
out in a batch reactor. What are the equilibri

CBE 141 Problem Set 8
Due: Fri, April 8
Please staple your solutions for Problem 1&2, 3&4, 5&6 separately and label your
discussion number (1 through 6).
Problem 1
Smith Van Ness and Abbott Problem 11.6 and 11.7
a. What is the partial molar temperature an

CBE 141 Problem Set 5
Due: Fri, March 4
Problem 1
Smith Van Ness Abbott Problem 7.23
The steam rate to a turbine for variable output is controlled by a throttle valve in the inlet line.
Steam is supplied to the throttle valve at 1700 kPa and 225C. During

CBE 141 Problem Set 10
Due: Fri, April 22
Problem 1
Consider a binary liquid solution of component 1 and 2. At constant temperature (and low
pressure) component 1 follows Henrys Law. Show that component 2 follows Raoults Law.
Problem 2
Suppose you careful

CBE 141 Problem Set 6
Due: Fri, March 11
Problem 1 (The vapor-compression cycle)
Refrigerant 134a is the working fluid in an ideal vapor-compression refrigeration cycle that
communicates thermally with a cold region at 0C and a warm region at 26C. Saturat

CBE 141 Problem Set 9
Due: Fri, April 15
Problem 1
A binary mixture of A and B is in equilibrium with its vapor at constant temperature and
pressure. Prove that A ( g )= A (l ) and B ( g )= B ( l ) by starting with G = G(g) + G(l) and the
fact that dG = 0

CBE 141 Problem Set 7
Due: Fri, March 18
Please staple your solutions for Problem 1&2, 3&4, 5&6 separately and label your
discussion number (1 through 6), refer below:
(1) 105 Latimer, Mon 9:00 10:00 am Colin Burke
(2) 105 Latimer, Tues 8:00 9:00 am Miche

CBE 141 Problem Set 11
Due: Fri, April 29
Please staple your solutions for Problem 1&2, 3&4, 5&6 separately and label your
discussion number (1 through 6).
Problem 1
A system initially containing 2 mol C2H4 and 3 mol of O2 undergoes the following reaction

Announcements
HW 8 is due Thursday
HW 9 will be available Thursday. It will not be collected or graded,
but includes examples from material that may be on Midterm 2
MIDTERM 2 = THURSDAY, MARCH 31 (1st Thursday aNer midterm
break)
MIDTERM 2 will cove

CBE 141 Problem Set 10
Due: Fri, April 22
Please staple your solutions for Problem 1&2, 3&4, 5&6 separately and label your
discussion number (1 through 6).
Problem 1
Consider a binary liquid solution of component 1 and 2. At constant temperature (and low

Chemical Reaction Equilibria
Chapter 13-Part II
i
fi
ln 0
i fi
0
G
i i
i
RT
G 0
ln K
RT
K
i
i
fi
f i 0
v A A BB vC C DD
K
C
fC
f C0
A
fA
f A0
D
fD
f D0
B
fB
f B0
Equilibrium constant K
G 0
K exp
RT
where
G 0
ln K
RT
0
0 Standa

Liquid - Liquid Phase Diagrams
Liquid - liquid phase diagrams occur at pressures and
temperatures where only liquid phases are present and where for
certain values of pressure, temperature, and composition, the
liquids are immiscible.
Temperature (K)
Cons

CBE 142 Chemical Kinetics and Reaction Engineering
Homework #3
Due Tuesday Sep 22nd @ 8am
Problem 1: Stoichiometric Table Application
The elementary gas-phase reaction:
2 ! = ! !
is run in an isothermal, constant P batch reactor. The feed is a 50-5

CBE 141 Problem Set 11
Due: Fri, April 29
Please staple your solutions for Problem 1&2, 3&4, 5&6 separately and label your
discussion number (1 through 6).
Problem 1
A system initially containing 2 mol C2H4 and 3 mol of O2 undergoes the following reaction