Answer to Question #200792 in General Chemistry for Miriama Tamaivena

Question #200792

Consider the cell: Zn (s) I ZnCl2 (0.0050 mol kg-1) I Hg2Cl2 (s) I Hg (I)

i) Identify the types of electrodes combined to form this cell.​   

ii) Write the overall cell reaction.​ 

iii) Apply the Debye-Hückel law to find ZnCl2, and express theNernst equation in terms of activities.​ 

iv) Evaluate Ecell and identify the direction of the spontaneous reaction if a wire is connected between the two electrodes.​

​{E° Zn2+/Zn = -0.7628 V and E° Hg2Cl2/ Hg, Cl- = -0.2676 V}


1
Expert's answer
2021-06-02T06:30:36-0400

The Nernst equation for the galvanic cell is as follows ;


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