1.9 Timed Assessments

1.9.1 Enthalpy of Vaporization

Practice

Solve for q.



Answers
  1. 1.13 × 103 kJ
  2. 6.09 × 102 kJ
  3. 2.16 × 102 kJ


Practice

Solve for V.



Answers
  1. 1.80 L
  2. 1.60 L
  3. 1.56 L

1.9.2 Clausius-Clapeyron

Practice

Solve for ΔHvap.



Answers
  1. 24.4 kJ mol–1
  2. 92.0 kJ mol–1
  3. 4.61 kJ mol–1


Practice

Solve for P1



Answers
  1. 0.288 atm
  2. 0.540 atm
  3. 1.338 atm


Practice

Solve for P2



Answers
  1. 1.960 atm
  2. 3.583 atm
  3. 4.075 atm


Practice

Solve for T1



Answers
  1. 26.6 °C
  2. –3.5 °C
  3. 78.0 °C


Practice

Solve for T2



Answers
  1. 23.3 °C
  2. 46.0 °C
  3. 13.9 °C


1.9.3 Heating Curves

Practice

Heating curves for water.



Answers
  1. 122 kJ
  2. 339 kJ
  3. 172 kJ


Practice

Heating curves for benzene.



Answers
  1. 28.1 kJ
  2. 90.8 kJ
  3. 117 kJ


1.9.4 Phase Diagrams

Practice


Answers

Question 1

  1. liquid
  2. liquid
  3. liquid

Question 2

  1. liquid
  2. gas
  3. solid

Question 3

  1. diamond
  2. metal
  3. graphite


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