Solutions to Exam 2 (FALL 2005
(1) (a) a(pT+p)V
(b) nR
(c) (R+Bp2)/R
(2) (a) w = 0; q = -935 J; DU = -935; DH = -1559 J; DS = -3.59 J
(b) w = 624 J; q = -1559 J; DU = -935 J; DH = -1559 J; DS = -5.98 J
(c) w = 11487 J; DH = DU = 0; q = -11487 J; DS = -38.29 J
(3) DS
= -5.142 J/K mol; (and, in the
process, Tf = 367.46 K)
(4) 0.96 J/K
(5) 245.428 J/K mol