Question
Asked Apr 11, 2019
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QUESTION 5


Given the half reactions   

Cu 2+  (aq) + 2e-   → Cu (s)    Eored = + 0.34 V
Pb2+ (aq) + 2 e-  → Pb (s)    E o red  = -0.13 V 

 which is the Kc value for the reaction below, when conducted at 25oC? 

 Pb2+(aq) + Cu(s) → Pb(s) + Cu2+(aq)

   

A.  7.9 × 10-8

   

B.  8.9 × 107

   

C.  7.9 × 1015

   

 D.  1.3 × 10-16

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Expert Answer

Step 1

Eocell is determined for the given reaction using the given formula.

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Step 2

Kc is calculated using the relationship between log Kc and ...

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