Week 1 Lecture Notes

Week 1 Lecture Notes - January 7 Lecture 1 Announcements...

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January 7: Lecture 1 Announcements - Begin reading Chapter 6, sections 6.1 - 6.8 - Start the assigned problems: 1, 5, 10, 13, 17, 23 - Visit the Course Website on WebCT - Buy a Remote Transmitter from the UCSD Bookstore if you do not already have one Thermodynamics : study of the relationship between various forms of energy (such as work or heat); study of the transformation of energy. Thermochemistry : Energy book-keeping. Heat absorbed or evolved in a chemical reaction. Thermodynamic (Equilibrium) State : The condition of a substance or system, defining its properties, specified by a few intensive macroscopic variables (such as T, P, etc.). State Function : a physical property like U, H, T, V, P that has a specific value once the state is defined; it depends only on the state of the system and not the pathway (how we got there). Extensive Macroscopic Variables : properties that depend upon the amount (mass) or “extent” of the sample , properties like mass M, mole numbers n i , volume V, heat capacity C, internal energy U, entropy S, Gibb’s free energy G, etc. Intensive Macroscopic Variables : properties that depend on the nature of the material but not
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