2. A voltaic cell is set up at 25°C with the half cells: Al3*(0.0010 M)|Al and Ni2*(0.50 M)|Ni. d. Calculate the Q value. e. Determine the Ecell using the nonstandard concentrations

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2. A voltaic cell is set up at 25°C with the half cells: Al3*(0.0010 M)|Al and Ni²*(0.50 M)|Ni.
d. Calculate the Q value.
e. Determine the Ecell using the nonstandard concentrations
Reduction Half Reaction
E'(V)
Cr20,2 (aq) + 14H*(aq) + 6e → 2Cr3+(aq) +
7H20(1)
+1.33
Fe3*(aq) + e → Fe2*(aq)
12(s) + 2e → 21(aq)
Ni2*(aq) + 2e →> Ni(s)
Al3*(aq) + 3e → Al(s)
+0.77
+0.53
-0.25
Transcribed Image Text:2. A voltaic cell is set up at 25°C with the half cells: Al3*(0.0010 M)|Al and Ni²*(0.50 M)|Ni. d. Calculate the Q value. e. Determine the Ecell using the nonstandard concentrations Reduction Half Reaction E'(V) Cr20,2 (aq) + 14H*(aq) + 6e → 2Cr3+(aq) + 7H20(1) +1.33 Fe3*(aq) + e → Fe2*(aq) 12(s) + 2e → 21(aq) Ni2*(aq) + 2e →> Ni(s) Al3*(aq) + 3e → Al(s) +0.77 +0.53 -0.25
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