Midterm Exam 1 (October 20)
(see exam text here)

1. There exists a function (called the entropy, S) of the extensive parameters of any composite system, defined for all equilibrium states and having the following property: The values assumed by the extensive parameters in the absence of an internal constraint are those that maximize the entropy over the manifold of constrained equilibrium states.

2. 

(dG = -SdT + Vdp + dn)

G = H - TS

but:  (correct)

(not correct)

(not correct)

3.  DH - DU = pDV        p = 500 kbar = 500^.10^3.10⁵ Pa = 5^.10¹⁰ Pa

4. 

= 

Solution of the Optional Midterm Exam (download in WinWord 7.0 format)