CHEM-UA 125 Homework Answers - Chap. 12

Chapter 12

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.

  • 6) Consult recitation instructor.

  • 8) Consult recitation instructor.

  • 16) Consult recitation instructor.

  • 17) Consult recitation instructor.

  • 20) - 2.04X104 J

  • 22) 6.55 atm

  • 24) 9.22 kJ/mol (let's assume that Silberberg didn't intend for there to be just one sig fig)

  • 26) Consult recitation instructor.

  • 44) Consult recitation instructor.

  • 48) Consult recitation instructor.

  • 50) Consult recitation instructor.

  • 57) Consult recitation instructor.

  • 64) Consult recitation instructor.

  • 69) Consult recitation instructor.

  • 99) (a) 4, (b) 9.23X10-23 cm3, (c) 1.34X10-22 g, (d) 20.2 u

  • 105) 0.128 nm

  • 134) 2.46 g/cm3

  • 141) (a) 0.070 g, (b) yes, (c) 0.18 g

  • 145) (a) 22.2 kJ/mol, (b) -208 kJ/mol

  • 148) 787 L (for sig figs, let's assume we're talking about exactly 1 L of Pd(s))