Lon-Capa

1
Lon-Capa

• Lon-Capa 8 due tomorrow by 10 pm.
• Keep reading Chapter 13 and doing the textbook
  homework.
• Exam III Thursday, April 28 (2 weeks from
  today).

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Clicker Question

• Which of the following molecules would be
  expected to have the lowest boiling point?
• a) C4H10
• b) NH3
• c) H2O
• d) C2H6

3
Clicker Question

• Which of the following is true about chemical or
  physical equilibrium?
• a) It is microscopically and macroscopically
  static.
• b) It is microscopically and macroscopically
  dynamic.
• c) It is microscopically static and
  macroscopically dynamic.
• d) It is microscopically dynamic and
  macroscopically static.
• e) I do not know.

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Reaction Rate Over Time
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Change in Concentration/Time
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Clicker Question

• Consider the reactionH2O(g) CO(g)
  H2(g) CO2(g)
• At a given temperature, K 25. If you initially
  start with 12 M H2O(g) and 12 M CO(g) determine
  the concentration of CO2(g) at equilibrium.
• a) 10 M
• b) 12 M
• c) 24 M
• d) 25 M
• e) I dont know.