V25.0125 Homework Answers - Chap. 6

Chapter 6

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.

  • 5) Consult recitation instructor.

  • 12) 1.65X103 J

  • 42) 85°C

  • 44) 52.9 mL

  • 46) 1.1 J/(g · °C)

  • 58) (a) Consult recitation instructor, (b) -117.3 kJ/mol, (c) -628 kJ, (d) -94.6 kJ

  • 63) (a) 1.85X103 kJ, (b) 939 g

  • 64) (a) 233 kJ, (b) 608 g

  • 66) (a) Consult recitation instructor, (b) 16.5 kJ

  • 71) -103.4 kJ/mol

  • 75) 117.4 kJ

  • 76) -1.9 kJ/mol

  • 81) Consult recitation instructor.

  • 83) (a) -184 kJ/mol, (b) -1427.8 kJ/mol (balanced with a coefficient of one for C2H6)

  • 85) 227.0 kJ/mol

  • 88) (a) -93.5 kJ, (b) 50.2°C, (c) Consult recitation instructor.

  • 96) -135.1 kJ/mol

  • 97) (a) 0.35 g, (b) -112.3 kJ/mol, (c) 0.40°C (added 10/17/12)

  • 99) (a) 1.12X1014 kg, (b) 14 yr, (c) 0.29 ft3, (d) 2X107 ft3

  • 102) (a) Consult recitation instructor, (b) -366 kJ/mol, (c) 6.2X104 kJ, (d) 1.06X10-2 gal