Question 1
In the presence of which of the following would iron be under the highest risk of rusting?
◦ salt only
◦ acid only
◦ moisture only
◦ salt and moisture combined
◦ salt, moisture, and acid together
Question 2
What is the shorthand notation that represents the following galvanic cell reaction?
Pb(
s) + Cu(NO
3)
2(
aq) → Pb(NO
3)
2(
aq) + Cu(
s)
◦ Pb(
s) ∣ NO
3-(
aq) ∣∣ NO
3-(
aq) ∣ Cu(
s)
◦ Cu(
s) ∣ Cu(NO
3)
2(
aq) ∣∣ Pb(NO
3)
2(
aq) ∣ Pb(
s)
◦ Pb(
s) ∣ Pb
2+(
aq) ∣∣ Cu
2+(
aq) ∣ Cu(
s)
◦ Cu(
s) ∣ Cu
2+(
aq) ∣∣ Pb
2+(
aq) ∣ Pb(
s)