CHEM 450
Thermodynamics II
2015 Winter

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Course Bulletin
Website last updated at 2015-04-27 17:33


CHEM 450 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 2:30-3:50 PM in QNC-1506

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 dates:
Term Test #1 on Feb 12, and Term Test #2 on Mar 12. 
Please work around these dates as these dates are now fixed.


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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.

  Final exam:  24 April 2015 (Friday) 19:30-22:00 at EIT 2053. 
You are allowed to have a calculator and ONE 8.5"x11" single-sided page of "cheat-sheet" for the Final Exam.

Please pick up registered assignments in the box outside my office.


Week CLASS LOG:  What have we learned today? Topic Homework
1 <Jan 6> What's Thermo-II?  Detailed summary of topics - Course action plan ||  A quick Math tutorial on exact differential
<Jan 8>  Review of Themo-I  Magic square, Gibbs free energy, Gibbs-Helmholtz equation, van't Hoff equation 

Homework 1
Due: Jan 20

2 <Jan 13>  || Chemical potential - definition | The significance of chemical potential || Partial Molar quantities
<Jan 15> Lecture Cancelled
3 <Jan 20> | Spontaneous mixing of two ideal gases || Phase equilibrium of a single-component system
<Jan 22> || 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  

Homework 2
Due: Feb 10

4 <Jan 27> | 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
<Jan 29> || What is an ideal solution || Raoult's law || Phase diagram | An numerical example about ideal solutions
5 <Feb 3>   || Features of a phase diagram of a binary solution || Binary solution - composition diagrams || Pressure-composition diagrams: Evacuation curves || Temperature-composition diagrams
<Feb 5>  | Comments on distillation and cooking tips || Formation of ideal solutions: | Changes in V, H and S as a result of ideal solution formation || Dilute solutions || Henry's law || Real solution 

Homework 3
Due: Mar 3

6 <Feb 10>  || Deviation from ideality || Duhem-Margules equation || An example ||
<Feb 1
2>  Term Test #1 - Everything up to and including materials covered in Weeks 1-5. 


  <Feb 17>  Reading week - No lecture
<Feb 19>  Reading week - No lecture
7 <Feb 24>  Azeotrope | Liquid-liquid equilibria || Upper and lower consolute temperatures || Phase diagram | Heating and cooling curves | Eutectic point || Compound formation || Congruent and incongruent melting 
<Feb 26> || An example of incongruent melting || Peritectic point | Two examples of solid-solid equilibria: ectectoids

Homework 4
Due: Mar 17

8 <Mar 3>  || 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 |
<Mar 5>  || 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
9 <Mar 10>  || Debye-Huckel limiting law || Crash course on electrostatics || Debye-Huckel theory - General approach | Debye-Huckel theory - How to calculate the Mean Activity Coefficient
<Mar 12>  Term Test #2 - Everything up to and including materials covered in Weeks 1-7 inclusive, with emphasis on materials not tested in Term Test #1.
10 <Mar 17>   || Summary of DH theory || Limitations of DH theory || Basic concepts of electrochemical cells || Potentials
<Mar 19>   Study break - No lecture

Homework 5
Due: Mar 31

11 <Mar 24>  || Galvanic cell Standard cell || Reversible cells || Free energy, entropy, and enthalpy of cell reactions
<Mar 26>
 || Standard emf || Nernst equation | How to determine Eo? || Standard Electrode Potentials and Standard Hydrogen Electrode | An example
12 <Mar 31>  End of course - Study for Final Exam
<Apr 2>  End of course - Study for Final Exam  

 Final examination: 24 April (Friday) 19:30-22:00 at EIT 2053


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..