CHE4473 Kinetics
Spring 2015
Homework N1: Mass Balances (Units, Numbers, Estimates)
Due Thursday JAN 15th 2015
_
1. Estimate gasoline consumption
A. Using your own judgment, estimate the gallons of gasoli

Solutions to Homework 6
1. We can write all the molar flowrates:
FA= FA0(1-x)
FB=3FA0x
FI=FI0=FA0
FTot=2FA0(1+x)
Considering ideal gases, we can write the concentration of any species as:
=
=
= 0
For A, this means:
= 0
(1 )
2(1 + )
The mole balance fo

CHE4473 Kinetics
Homework N1:
Spring 2016
Mass and Mole Balances, Units, Numbers, Estimates (Ch. 1)
1. Working out rough estimates is a good exercise for Engineers
A. Find out: how much gasoline is consumed per year in the US; how many refineries
operate

HW 4
Problem 1
1. A homogeneous gas-phase reaction A 3R has a reported rate expression at 215C
-rA = 10-2 CA
[mol/Liter sec]
Find the space-time (VR/v0) needed to reach 80% conversion (XA) of a 50% A-50% inert
feed to a plug flow reactor (PFR) operating a

CHE4473 Kinetics
Spring 2015
Homework N2: Rate laws, reaction order, activation energy
Due Tuesday JAN 20th 2015
_
1.
For a gas reaction at 400 K the rate is reported as:
(a)
What are the units of the rate

CHE4473 Kinetics
Spring 2015
Homework N3: Rate constants, activation energy, kinetic theories
Due Tuesday FEB 9th 2016
1. For a gas reaction at 400 K the rate is reported as:
(a) What are the units of the rate constant?
(b) What is the value of the rate c

CHE4473 Kinetics
Spring 2015
Homework N2: Rate laws, reaction order, activation energy
Due Tuesday JAN 20th 2015
_
1.
For a gas reaction at 400 K the rate is reported as:
(a)
What are the units of the rate

CHE4473 Kinetics
Spring 2015
Homework N3: Design of Ideal Isothermal Reactors (Constant Volume)
Due Tuesday JAN 27th 2015
_
1. We are operating a batch reactor to convert A into R. This is a liquid reaction,

CHE4473 Kinetics
Spring 2015
Homework N8: Reaction Mechanisms
Due Tuesday MAR 10th 2015
IMPORTANT: You must include copies of the graphs of all the numerical solutions
(not the whole spreadsheet, please !).

CHE4473 Kinetics
Spring 2015
Homework N4: Design of Ideal Isothermal Reactors (Variable Density)
Due Tuesday FEB 3rd 2015
In all these problems you should notice that when the reaction

CHE4473 Kinetics
Spring 2015
Homework N7: Multiple Reactions
Due Tuesday MAR 3rd 2015
IMPORTANT: You must include copies of the graphs of all the numerical solutions
(not the

CHE4473 Kinetics
Spring 2015
Homework N5: Reversible reactions, membrane reactors and pressure drop
Due Tuesday FEB 10th 2015
1. The gas-phase irreversible and first-order reaction A

CHE4473 Kinetics
Spring 2015
Homework N6: Collection and Analysis of Rate Data
Due Tuesday FEB 24th 2015
IMPORTANT: You must include copies of the graphs of all the numerical solut

CHE4473 Kinetics
Spring 2016
Homework N2:
Conversion and Reactor Sizing - Levenspiel Graphs (Ch. 2)
Due:
Tuesday FEB 2nd 2016
_
Problem 1. A constant volume reaction AP is being carried out
a. If a 1000 liter CSTR is used with CA0 = 2 M and inlet flow rat

CHE4473 Kinetics
Spring 2016
Homework N6: Reactor design as a Function of molar flow rates (Ch. 6)
Due:
Tuesday March 1st 2016
1. Variable density. Re-do Problem 5.1 (from last week) but now solve it
numerically, as a function of FA, FI

CHE4473 Kinetics
Spring 2015
Homework N4: Design of Ideal Isothermal Reactors (Variable Density)
Due Tuesday FEB 3rd 2015
In all these problems you should notice that when the reaction