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Netscape 4.08. WSH
This program provides drill in identification of components of electrochemical
cells and prediction of direction of movement of electrons and ions in cells, it also
provides practice in determining if a reaction is spontaneous. The
program will show the correct solution for incorrect answers.
| Cathode Half-Reaction | Std Potential(V) | Cathode Half-Reaction | Std Potential(V) |
| Li+(aq) + e- = Li(s) | -3.04 | IO-(aq) + H2O(l) + 2 e- = I-(aq) + 2 OH-(aq) | 0.49 |
| Na+(aq) + e- = Na(s) | -2.71 | Cu+(aq) + e- = Cu(s) | 0.52 |
| Mg2+(aq) + 2 e- = Mg(s) | -2.38 | I2(s) + e- = 2 I-(aq) | 0.54 |
| Al3+(aq) + 3 e- = Al(s) | -1.66 | Fe3+(aq) + e- = Fe2+(aq) | 0.77 |
| 2 H2O(l) + 2 e- = H2(g) + 2 OH-(aq) | -0.83 | Hg22+(aq) + 2 e- = 2 Hg(l) | 0.80 |
| Zn2+(aq) + 2 e- = Zn(s) | -0.76 | Ag+(aq) + e- = Ag(s) | 0.80 |
| Cr3+(aq) + 3 e- = Cr(s) | -0.74 | Hg2+(aq) + 2 e- = Hg(l) | 0.85 |
| Fe2+(aq) + 2 e- = Fe(s) | -0.41 | ClO-(aq) + H2O(l) + 2 e- = Cl-(aq) + 2 OH-(aq) | 0.90 |
| Cd2+(aq) + 2 e- = Cd(s) | -0.40 | 2 Hg2+(aq) + 2 e- = Hg22+(aq) | 0.90 |
| Ni2+(aq) + 2 e- = Ni(s) | -0.23 | NO3-(aq) + 4 H+(aq) + 3 e- = NO(g) + 2 H2O(l) | 0.96 |
| Sn2+(aq) + 2 e- = Sn(s) | -0.14 | Br2(l) + 2 e- = 2 Br-(aq) | 1.07 |
| Pb2+(aq) + 2 e- = Pb(s) | -0.13 | O2(g) + 4 H+(aq) + 4 e- = 2 H2O(l) | 1.23 |
| Fe3+(aq) + 3 e- = Fe(s) | -0.04 | Cr2O72-(aq) + 14 H+(aq) + e- = 2 Cr3+(aq) + 7 H2O(l) | 1.33 |
| 2 H+(aq) + 2 e- = H2(g) | 0.00 | Cl2(g) + e- = 2 Cl-(aq) | 1.36 |
| Sn4+(aq) + 2 e- = Sn2+(aq) | 0.15 | MnO4-(aq) + 8 H+(aq) + 5 e- = Mn2+(aq) + 4 H2O(l) | 1.49 |
| Cu2+(aq) + e- = Cu+(aq) | 0.16 | H2O2(aq) + 2 H+(aq) + 2 e- = 2 H2O(l) | 1.78 |
| Cu2+(aq) + 2 e- = Cu(s) | 0.34 | S2O82-(aq) + 2 e- = 2 SO42-(aq) | 2.01 |
| F2(g) + 2 e- = 2 F-(aq) | 2.87 |