Friday, February 12, 2010

Lecture #18, Friday, February 12th

Today we discussed the numerical results of the Thermodynamics lab. I gave a powerpoint presentation, which is posted on Carmen. Remember that chemistry is an experimental science and all the theories and equations were developed from experimental data. Today we discussed why the value we obtained for the entropy change for a process in which a slightly soluble salt dissolved was negative. We also analyzed why the same reaction had a negative enthalpy change.

I gave a brief introduction of galvanic cells and tried to prepare you for next weeks lab.

Class ended with a pop quiz.

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