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
Cell Division
Eukaryotic Cell
p53 (normal cell vs tumor cell)
Stem cell research may cure diabetes, but lacks funding
plant cell
Cell Junctions