Question 1
Consider the galvanic cell, Pb(
s) ∣ Pb
2+(
aq) ∣∣ Cu
2+(
aq) ∣ Cu(
s). Which one of the following changes to the cell would cause the cell potential to increase (i.e., become more positive)?
◦ increase the [Pb
2+] concentration
◦ increase the mass of Pb(
s)
◦ decrease the mass of Pb(
s)
◦ increase the [Cu
2+] concentration
Question 2
Consider the galvanic cell, Pt(
s) ∣ H
2(1 atm)|H
+(1 M) ∣∣ Cl
-(1 M) ∣ Hg
2Cl
2(
s)|Hg(
l). Which one of the following changes to the cell would cause the cell potential to increase (i.e., become more positive)?
◦ decrease the mass of Pt
◦ increase the mass of Pt
◦ increase the pH
◦ decrease the pH
Types of cell adhesion molecules (CAMs)
The effects of germ-line versus somatic cell mutations.
Cell
cell
IgE binding to a mast cell.
Cell