CHM 2046C Sample Module 14 Name: ___Sample_____

Part E: Calculating Standard Cell Potentials 10 points

1. The standard potential for the following galvanic cell is 0.92 V:

Al(s) | Al³⁺ (aq) || Cr³⁺ (aq) | Cr (s)

Show the Anode Reaction, Cathode Reaction, Overall Cell Reaction then using the above table look up the standard reduction potential for Al³⁺ /Al(s) half cell and calculate the standard reduction potential for the Cr³⁺/Cr half cell:

Anode Reaction: E^o =

Cathode Reaction: E^o =

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Overall Reaction: E^o =

2. Using the above table, calculate overall cell potential for the following cell:

Pt(s) | H₂ (1 atm) | H¹⁺ (1 M) || Cu²⁺ (1 M) | Cu (s)