Concise Physical Chemistry

ans JWBS043-Rogers September 15, 2010 1:22 Printer Name: Yet to Come

366 ANSWERS TO SELECTED ODD-NUMBERED PROBLEMS

CHAPTER 5

5.131.2 kJ mol−^1 ;5.311.5 J;5.5negligible;5.71.24 J K−^1 mol−^1 ;5.9a22.0 J mol−^1 ;

5.9b109.1 J mol−^1.

CHAPTER 6

6.388 J K−^1 mol−^1 ;6.579.2 J K−^1 mol−^1 ;6.746.5 J K−^1 mol−^1 ;6.9−893 kJ mol−^1.

CHAPTER 7

7.3
solH 298 >0;7.53.46 J K−^1 mol−^1 ;7.7179 kJ mol−^1 , 1 .93.

CHAPTER 8

8.162.3, 37.7%,>60/40;8.38.15 pm;8.53.07 pm;8.72.61exp33, 1.28exp33.

CHAPTER 9

9.1a2;9.1b3;9.5279.6 K.

CHAPTER 10

10.1 0.693, 3.46× 10 −^2 min−^1 ; 10.3 384 crabs; 10.5 4515 ± 86 y;

10.9 2 .1dm^3 mol−^1 s−^1.

CHAPTER 11

11.1a4.84 unit unspecified;11.1b6 unit unspecified;11.1csphere: 24.1% smaller;

11.3126 nm;11.56.

CHAPTER 12

12.1a10%;12.1b0.1711 mol;12.1c1.901 molal;12.1dyou don’t have enough

information;12.1e93.34 cm^3 ;12.1f1.833 molar;12.5100.7;12.750.