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CHM
110 Homework Problems Introduction
to General, Organic and Biochemistry. Bettelheim
and March, 8th edition Chapter 1 - Matter,
Energy and Measurement
1.15, 1.25,
1.26, 1.28, 1.30, 1.32, 1.34, 1.38, 1.41, 1.47, 1.50, 1.73, 1.75 Even Answers:
Chapter 2
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2.10 = (sulfur, iron, hydrogen, potassium, silver, gold) | |
2.14 = (K20, Na3PO4, LiNO3) | |
2.28 = (10p/12n, 46p/58n, 17p/18n, 52p/76n, 3p/4n, 92p/146n) | |
2.76 = (4,7,5,1,2,2,8,4,6,6) |
4.20, 4.31, 4.35, 4.38, 4.47, 4.53, 4.57
Even Answers:
4.20 = (Mg2+, F-, Al3+, S2-, K+, Br-) | |
4.38 = (Ca+2 S-2, Mg+2 F-1, Cs+1 O-2, Sc+3 Cl-1, Al+3 S-2) |
5.17, 5.19, 5.20, 5.21, 5.27, 5.31, 5.41, 5.43, 5.45, 5.47, 5.58, 5.67, 5.70, 5.86
Even Answers:
5.20 = (2.0 mol CH4, 11.52 mol NO, 2.754 mol Cl02, 7.82 mol C3H803) | |
5.58 = (Ca3(PO4)2, none, BaCO3, Fe(OH)2, none, Sb2S3, PbSO4 See rules p. 147. | |
5.70 = (endo, exo, exo, endo, exo) | |
5.86 = (2.71E3) |
Part I - 6.13, 6.17, 6.19, 6.21, 6.26, 6.29, 6.30, 6.33, 6.34, 6.36, 6.51, 6.89
Even Answers:
6.26 = (3E6 L) | |
6.30 = (1.87 atm) | |
6.34 = (2.8 L) | |
6.36 = (43.9 ml) |
Part II - 6.62, 6.63, 6.64, 6.68, 6.70, 6.72 and Chapter 1 - 1.56, 1.57, 1.58, 1.76
Even Answers:
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6.62 = (0.232 cal . g-1 . oC-1) | |
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6.64 = (240 cal) | |
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6.68 = (1860 cal) | |
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6.70 = (5400 cal + 630 cal = 6030 cal = 6.0 kcal, 630 cal) | |
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6.72 = (89.1 L) | |
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1.56 = (2.1E3, 5.1E3, 9.9E4, 2.5E3) | |
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1.58 = (1.5E2) | |
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1.76 = (Mercury, 162, 0.17 graphite) |
7.14,
7.20, 7.26, 7.28, 7.30, 7.33, 7.35, 7.37, 7.43, 7.45, 7.61, 7.63, 7.67, 7.69,
7.71, 7.86, 7.90
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7.14 = (water) | |
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7.20 = (unsaturated) | |
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7.26 = (Warm water contains less oxygen than cold water. The fish die because of lack of oxygen) | |
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7.28 = (a) | |
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7.30 = (26.60 g H2S, 1.515 g benzene; 4.28 g dimethyl sulfoxide) | |
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7.86 = (Methanol is more efficient. It has a lower molecular weight; hence there are more moles in the same mass.) | |
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7.90 = (Take 38.6 ml of the concentrated solution, add enough water to bring to 300 ml volume.) |
8.11, 8.17, 8.21, 8.25, 8.31, 8.33, 8.38, 8.41
Even Answers:
8.38 = (R, L, L, L, No shift, R) |
9.20,
9.29, 9.33, 9.37, 9.39, 9.45, 9.80
Even Answers:
9.20 = (HSO4-, H2BO3-, I-, H20, NH3, PO43-) | |
9.80 = (pH=0, 1M) |
3.13,
3.18, 3.20, 3.24, 3.26, 3.28, 3.29, 3.31, 3.45, 3.55, 3.57, 3.69
Even Answers:
3.18 = (159Gd, 141La, 242Cm) | |
3.20 = (206Tl, 234U, 170Yb) | |
3.24 = (In the first step, alpha emission occurs; in the second and third steps, beta emissions occur.) | |
3.26 = (28Si, 142Xe, 1n, 210Po, 13N) | |
3.28 = (0.295 mg) |
10.17, 10.25,
10.27
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