Some standard potentials

Avogadro constant, NA

Volume of 1 mole ideal gas:

Ionisation constant for water at 25°C (298.15 K), Kw ......... 1.0 x 10-14

Specific heat capacity of water ............................................. 4.18 x 103 J kg-1 K-1

pH = -log10[H+] ΔH = -mCΔT

at 100 kPa andat 0°C (273.15 K) .................... 22.71 Lat 25°C (298.15 K) ................ 24.79 L

............................................................. 6.022 x 1023 mol-1

Some useful formulae

Chemistry data sheet

K+ + e–

Ba2+ + 2e–

Ca2+ + 2e–

Na+ + e–

Mg2+ + 2e–

Al3+ + 3e–

Mn2+ + 2e–

H2O + e–

Zn2+ + 2e–

Fe2+ + 2e–

Ni2+ + 2e–

Sn2+ + 2e–

Pb2+ + 2e–

H+ + e–

SO42– + 4H+ + 2e–

Cu2+ + 2e–

O2(g) + H2O + 2e–

Cu+ + e–

2(s) + e–

2(aq) + e–

Fe3+ + e–

Ag+ + e–

Br2(l) + e–

Br2(aq) + e–

O2(g) + 2H+ + 2e–

Cl2(g) + e–

Cr2O72– + 7H+ + 3e–

Cl2(aq) + e–

MnO4– + 8H+ +5e–

F2(g) + e–

–2.94 V

–2.91 V

–2.87 V

–2.71 V

–2.36 V

–1.68 V

–1.18 V

–0.83 V

–0.76 V

–0.44 V

–0.24 V

–0.14 V

–0.13 V

0.00 V

0.16 V

0.34 V

0.40 V

0.52 V

0.54 V

0.62 V

0.77 V

0.80 V

1.08 V

1.10 V

1.23 V

1.36 V

1.36 V

1.40 V

1.51 V

2.89 V

K(s)

Ba(s)

Ca(s)

Na(s)

Mg(s)

Al(s)

Mn(s)

H2(g) + OH–

Zn(s)

Fe(s)

Ni(s)

Sn(s)

Pb(s)

H2(g)

SO2(aq)+2H2O

Cu(s)

2OH–

Cu(s)

–

–

Fe2+

Ag(s)

Br–

Br–

H2O

Cl–

Cr3+ + H2O

Cl–

Mn2+ + 4H2O

F–

12

72

12

12

12

12

12

12

12

12

12

12

12

Information taken from BOSTES website