Solutions Manual for Basic Chemistry, 6th Edition by Karen C. Timberlake
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Course
Chemistry
Institution
Chemistry
Solutions Manual for Basic Chemistry, 6th Edition by Karen C. Timberlake. 8119. Complete chapters solutions
1 Chemistry in Our Lives
2 Chemistry and Measurements
3 Matter and Energy
4 Atoms and Elements
5 Electronic Structure of Atoms and Periodic Trends
6 Ionic and Molecular Compounds
7 C...
Answers to Combining Ideas from Chapters 1 to 3
CI.1 a. There are 4 significant figures in the measurement 20.17 lb.
1 kg
b. 20.17 lb * = 9.147 kg (4 SFs)
2.205 lb
1000 g 1 cm3
c. 9.147 kg * * = 474 cm3 (3 SFs)
1 kg 19.3 g
d. TF = 1.8(TC) + 32 = 1.8(1064) + 32 = 1947 °F (4 SFs)
TK = TC + 273 = 1064 + 273 = 1337 K (4 SFs)
e. ∆T = 1064 °C - 500. °C = 564 °C
1000 g 0.129 J 1 cal 1 kcal
9.147 kg * * * * 564 °C * = 159 kcal (3 SFs)
1 kg g °C 4.184 J 1000 cal
1000 g +42.06
f. 9.147 kg * * = +384 700 (4 SFs)
1 kg 1g
1 gal 35 mi 1 km
CI.2 a. 22 L * * * = 330 km (2 SFs)
3.785 L 1 gal 0.6214 mi
1 gal +2.82
b. 22 L * * = +16 (2 SFs)
3.785 L 1 gal
1 gal 35 mi 1h
c. 22 L * * * = 4.6 h (2 SFs)
3.785 L 1 gal 44 mi
1000 mL 0.74 g
d. 22 L * * = 16 000 g (2 SFs)
1L 1 mL
1000 mL 0.74 g 47 kJ
e. 22 L * * * = 7.7 * 105 kJ (2 SFs)
1L 1 mL 1g
CI.3 a. The water has its own shape in sample B.
b. Water sample A is represented by diagram 2, which shows the particles in a random
arrangement but close together.
c. Water sample B is represented by diagram 1, which shows the particles fixed in a definite
arrangement.
d. The state of matter indicated in diagram 1 is a solid; in diagram 2, it is a liquid; and in
diagram 3, it is a gas.
e. The motion of the particles is slowest in diagram 1.
f. The arrangement of particles is farthest apart in diagram 3.
g. The particles fill the volume of the container in diagram 3.
CI.4 a. Energy (rounded off
Food Type Mass Energy Value to the tens place)
4 kcal
Carbohydrate 39 g * = 160 kcal
1g
9 kcal
Fat 5g * = 50 kcal
1g
4 kcal
Protein 10. g * = 40 kcal
1g
Total energy content = 250 kcal
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