CHEM 400
Thermodynamics II
2017 Fall

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Course Bulletin
Website last updated at 2017-12-23 17:09


CHEM 400 LEC 0.50   [Course ID:] - Thermodynamics II

Important concepts in thermodynamics (chemical potential and partial molar quantities); phase equilibria of binary and ternary systems; phase diagrams; concepts of ideal solutions and dilute solutions; thermodyanmics of electrochemical systems and surfaces
[Offered: W]





There is no recommended text for this course.  Almost any physical chemistry textbook can be used.  Sign out a favourite one from the library.
Lecture Hours: Tuesday, Thursday 10:00-11:30 AM in MC-4064

Office Hours: Friday 1-3 PM

Lecture materials will be delivered in class and will not be put on the web. 
Please attend all the lectures.  Please see the Class Log table below.


Please note the important in-class term test dates:
Term Test #1 on Oct 24 (Tuesday), and Term Test #2 on Nov 16 (Thursday). 
Please work around these dates as these dates are now fixed.

Both Tests will be held in EIT-2053.


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Background Image:  University of Waterloo Official Seal written on Silicon by a helium ion beam, with a world record minimal feature size of 5 nm - approximately the dimension of two DNA double-helix strands placed side by side..



Coming Soon
Course materials are intended for private use by the students in this course and they are not for distribution or any commercial purposes.  Use at your own risk.

Thermo and phase change materials -  Read 
Evapoarative cooling - Read 

Temperature phase diagram - Watch you tube

How to calculate MAC? - Note

Assignment #5:  Please hand in this assignment and a list of the names of the individuals whose assignments that you have marked to me before noon on Nov 30 (Thursday) to my office (C2-066A).

All the assignments and term tests will be available for pickup by Dec 5 (Tuesday). 

Final Exam : Dec 12 (Tuesday) - 12:30 to 3:00 PM - in MC-4042
One single-sided, 8.5"x11" page of information is allowed for the final exam.  Important equations and unit conversion constants will still be provided on the exam.  A simple calculator is also allowed.  The exam will cover all the standard topics evenly and fairly.


Week CLASS LOG:  What have we learned today? Topic Homework
1 <Sep 12> What's Thermo-II?  Detailed summary of topics - Course action plan ||  A quick Math tutorial on exact differential
<Sep 14>  Review of Themo-I  Magic square, Gibbs free energy, Gibbs-Helmholtz equation, van't Hoff equation 

Homework 1
Due: Sep 26

2 <Sep 19>  || Chemical potential - definition | The significance of chemical potential || Partial Molar quantities
<Sep 21> | Spontaneous mixing of two ideal gases || Phase equilibrium of a single-component system
3 <Sep 26> || The Clapeyron equation | Four examples of applying the Clapeyron equation to S-S, S-L, L-V and S-V phase transitions for a pure system | Connection to the Clausius-Clapeyron equation  
<Sep 28>  |Type of phase transitions: 1st and 2nd order transitions || Introduction to phase equilibrium of a binary system || Fugacity and activity || The significance of fugacity | Definition of a solution || Composition of solutions|

Homework 2
Due: Oct 5

4 <Oct 3> || What is an ideal solution || Raoult's law || Phase diagram | An numerical example about ideal solutions
<Oct 5>  || Features of a phase diagram of a binary solution || Binary solution - composition diagrams ||
5 <Oct 10>   Fall Break - No lecture
<Oct 12>
  Pressure-composition diagrams: Evacuation curves || Temperature-composition diagrams Comments on distillation and cooking tips || Formation of ideal solutions: | Changes in V, H and S as a result of ideal solution formation

Homework 3
Due: Oct 17

6 <Oct 17>  || Dilute solutions || Henry's law || Real solution || Deviation from ideality
<Oct 19
>  || Duhem-Margules equation  || An example || Azeotrope 


7 <Oct 24>  Term Test #1 - in-class - in EIT-2053 - Everything up to and including materials covered in Weeks 1-5.  Key
<Oct 26>  | Liquid-liquid equilibria || Upper and lower consolute temperatures || Phase diagram | Solid-liquid equilibria |
8 <Oct 31>  | Heating and cooling curves | Eutectic point || Compound formation || Congruent and incongruent melting 
<Nov 2> || An example of incongruent melting || Peritectic point | Two examples of solid-solid equilibria: ectectoids

Homework 4
Due: Nov 7

9 <Nov 7>  || An extended version of the Phase Rule || Some examples on including constraints related to independent chemical equilibria, stoichiometric relations and electrical neutrality | Activity coefficient and chemical potential |
<Nov 9>  || Thermodynamics of electroytic solutions and electrochemical cells || History of electrochemistry || Arrehnius law || Faraday's law | Chemical potentials, activities and activity coefficients for electrolytic solutions || Mean activity coefficient
10 <Nov 14>  || Debye-Huckel limiting law || Crash course on electrostatics || Debye-Huckel theory - General approach | Debye-Huckel theory - How to calculate the Mean Activity Coefficient || Summary of DH theory || Limitations of DH theory
<Nov 16>
  Term Test #2 - in-class - in EIT-2053 - Everything up to and including materials covered in Weeks 1-9 inclusive (up to and including Nov 7 lecture materials), with emphasis on materials not tested in Term Test #1.  Key
11 <Nov 21>  || Basic concepts of electrochemical cells || Potentials || Galvanic cell Standard cell
<Nov 23>  || Reversible cells || Free energy, entropy, and enthalpy of cell reactions || Standard emf

Homework 5
Due: Nov 30

12 <Nov 28> || Nernst equation | How to determine Eo? || Standard Electrode Potentials and Standard Hydrogen Electrode | An example  || Wrap up

 Final examination:  Dec 12 (Tuesday) 12:30-3:00 PM in MC-4042


Frequently Asked Questions

Does one need to buy the textbook?   No.

Problems in downloading pdf files?
<1> Make sure your PDF reader is up to date - If not, go to the Adobe site and get the latest reader.  
<2> Try right-click on the filename, select either <Save target as...> or <Save link as...> (depending on which browser you are using) and save this file in a directory that you can read back later.
<3> If everything fails, call/e-mail me and I shall give/e-mail you a copy.
<4> There is a hardcopy of the solution manual at the library.

Mark review policy  As per discussion in class..