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).

2. 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.

8. Reaction Rate Over Time

9. Change in Concentration/Time

10. Clicker Question Consider the reaction:H2O(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 don’t know.