HW Set #1

1.25 b) should be 66 nm

1.29) should be 1.27 MPa for p(perfect) - p(vdW)

HW Set #2

2.15) 29.9 J K^-1 mol^-1; 38.2 J K^-1 mol^-1

2.16) 910 kJ ; 610 sec

2.18) 774 J

HW Set #3

3.6) 479 kJ

3.22) q = -24.7 kJ; h = 7.4 m

HW Set #4

4.4) I get a DS = 860 J K^-1 ( I believe the answer given in the text should be for problem 4.3)

4.19) The units should be J K^-1 mol^-1

HW Set #5

5.12) part c) should be 1.87 g (not kg)

5.17) I get 353 K

HW Set #6

no corrections

HW Set #7

7.16) a) 1110 K

7.23) 117 kJ

7.34) 2.77 kJ/mol for DH_r, -16.5 J K^-1 mol^-1 for DS_r

HW Set #8

8.12 b) pH=3.91, pOH=10.09, fraction =0.87

8.29 a) 1.0 x 10^-5 M

       b) using a K_sp of 9 x 10^-12, S = 1.3 x 10^-4 M

       c) 9.3 x 10^-11 M

       d) unless you have better luck than I in finding a K_sp for Hg₂SO₄, skip this one.

HW Set #9

9.17b) E decreases, |E| increases

9.32c) 9.4 x 10⁴³

9.39b) 1.11 V