1. Schedule Today (4/5): Chapter 11 Monday (4/8): Chapter 11
Should have read through Section 11.4
Monday (4/8): Chapter 11
Should read through Section 11.5
Wednesday (4/10): Chapter 11
Finish reading Chapter 11

3. Clicker Question
How many of the follow will react?
Cu(s) in Zn2+(aq)
Cl2(g) + KI(aq)
I2(g) + NaBr(aq)
A) 0
B) 1
C) 2
D) 3

4. Clicker Question
Silver metal will
spontaneously
reduce how many
of the following?
Fe2+
Au3+
Cl–
Na+
a) b) c) d) e) 4

5. Clicker Question
Which of the following is the best reducing agent? a) Cl2 b) H2 c) Mg d) Mg2+ e) Cl–

6. Galvanic Cells
substance
ΔG°f (kJ/mol)
Cu(s)
Cu2+(aq)
65.5
Ag(s)
Ag+(aq)
77.1
Ag+(aq) + e– → Ag(s) ΔG = –77.1 kJ Cu2+(aq) + 2e– → Cu(s) ΔG = – 65.5 kJ

8. Electromotive Force (EMF)

9. C2H5OH(l) + 3O2(g)  2CO2 (g) + 3H2O(l)
Clicker Question
A fuel cell designed to react grain alcohol with oxygen has the following net reaction:
C2H5OH(l) + 3O2(g)  2CO2 (g) + 3H2O(l)
The maximum work one mole of alcohol can yield by this process is 1320 kJ. What is the theoretical maximum voltage this cell can achieve?
a) V
b) 1.14 V
c) 2.28 V
d) 13.7 V
e) I cannot get any of these answers.