V25.0125 Homework Answers - Chap. 1

Chapter 1

Homework Answers

Note: For some problems, giving the answers would inhibit your thinking through to the solution. In such cases, the phrase "Consult recitation instructor" has been given in place of the answer.

You must show work leading to your results in order to receive credit for homework assignments.

  • 1) Consult recitation instructor.

  • 14) Consult recitation instructor.

  • 25) Consult recitation instructor.

  • 33) 2.36 X1015 metric tons

  • 35) (a) 1.079X109 km/h, (b) 1.118X107 mi/min

  • 39) (a) 248 cm3, (b) 608 g

  • 41) 7.25 g/cm3

  • 43) (a) 314 K, 41 °C or 41.1°C are acceptable (b) 3.68X103 K, 6.17X103 °F, (c) 1.1X104 °F, 5.8X103 °C

  • 46) Consult recitation instructor.

  • 47) 0.0054 dm3

  • 55) (a) 231.6, (b) 0.0085, (c) 1.4X105

  • 59) (a) 3.8 (no units), (b) 1.0, (c) 565 cm3

  • 61) (a) 2.820X102, (b) 3.80X10-2, (c) 4.2708X103, (d) 5.82009X104

  • 65) (a) 1.43X102, (b) 8.51X100, (c) 7.5X100 (assuming that the zeros in 7500 are not significant)

  • 67) (a) 1.39 g/cm3, (b) 1.84X105 g · m2/s2, (c) 0.16 L/mol

  • 69) Consult recitation instructor.

  • 73) Consult recitation instructor.

  • 77) (a) 4.8X105 gal, (b) 1.8X106 kg

  • 79) for Al, 2.0X10-5 mm2, for steel, 1.0X10-5 mm2

  • 81) (a) 1.2X102 g - 1.2X102 g (i.e., to two sig figs, there is no difference in the expected mass of copper), (b) 24 g - 27 g