5_60_lecture13

5_60_lecture13 - MIT OpenCourseWare http://ocw.mit.edu 5.60...

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Unformatted text preview: MIT OpenCourseWare http://ocw.mit.edu 5.60 Thermodynamics & Kinetics Spring 2008 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms . 5.60 Spring 2008 Lecture #13 page 1 The Gibbs Free Energy With the free energies Helmholtz free energy A = U- TS Gibbs free energy G = H- TS weve introduced all our state functions. For closed systems, U S V ( , ) dU = TdS pdV H S p ( , ) dH = TdS + Vdp Fundamental equations A T V ( , ) dA = SdT pdV ( , ) dG = + Vdp G T p SdT From dA = A dT + A dV T V V T and dG = T G p dT + G p T dp A A = S = p T V V T G G = S = V T p p T The Maxwell relations: 2 A = 2 A and 2 G = 2 G V p T...
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This note was uploaded on 07/31/2011 for the course CHM 170 taught by Professor Lemtayo during the Spring '11 term at MIT.

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5_60_lecture13 - MIT OpenCourseWare http://ocw.mit.edu 5.60...

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