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April 18, 2014

Homework Help: chemistry... HELP

Posted by Ann on Saturday, November 3, 2012 at 3:58pm.

Equilibrium constant question!!!?
Standard reduction potentials

Reduction half-reaction E(V)
Ag+(aq) + e- ---> Ag (s) 0.80
Cu ^2+ (aq) + 2e- ---> Cu (s) 0.34
Sn^4+(aq) + 4e- ---> Sn (s) 0.15
2 H+(aq) + 2e- ---> H2 (g) 0
Ni^2+(aq) + 2e- ---> Ni (s) -0.26
Fe^2+ (aq) + 2e- --->Fe(s) -0.45
Zn^2+ (aq) +2e- ---> Zn (s) -0.76
Al^3+ (aq) + 3e- ---> Al (s) -1.66
Mg^2+ (aq) + 2e- ---> Mg (s) -2.37

Use the table of standard reduction potentials given above to calculate the equilibrium constant at standard temperature (25 deg C) for the following reaction:
Fe (s) + Ni^2+ (aq) ---> Fe^2+ (aq) + Ni (s)

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