1. Lon-Capa 6th Quiz on Wednesday (4/27) in Discussion.
Lon-Capa #9 due Wednesday, April 27 by 10 pm.
Exam III: Thursday, April 28
Review sessions to be announced.
Practice exams to be posted.

2. 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.

3. Reaction Quotient (Q)

4. Clicker Question Consider the reaction:H2O(g) + CO(g) H2(g) + CO2(g)
At a given temperature, K = 25. If you initially start with 3.0M H2O(g), 14M CO(g), 42M H2(g), and 52M CO2(g) determine the concentration of H2O(g) at equilibrium.
a) 1 M
b) 2 M
c) 5 M
d) 6 M
e) I don’t know.

5. Change in Concentration/Time

6. Concentration Profile (NH3)

7. Clicker Question Consider the reaction:N2(g) + 3H2(g) 2NH3(g)
At a certain temperature, you initially react 5.0M N2(g) and 12M H2(g) and at equilibrium [NH3] = 6.0M. Determine the value for K at this temperature. a)
b) 0.10
c) 0.67
d) 1.0
e) I don’t know.