Exer. 27.1
Exer. 27.2
Exer. 27.3
Exer. 27.4
Exer. 27.5
Exer. 27.6
Exer. 27.7
Exer. 27.8
Exer. 27.9 Putting MANY MANY little gas molecules back into Pandora's box
Exer. 27.10
Exer. 27.10 another solution
Exer. 27.11
Exer. 27.12
Exer. 27.13
Exer. 27.14
Exer. 27.15
Exer. 27.16 Isotropy and homogeneity: This problem has a counterexample!
Exer. 27.17
Exer. 27.18 a possible solution
Exer. 27.19
Exer. 27.20
Exer. 27.21
Exer. 27.22
Exer. 27.23