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The Cell Reaction for a Dry Cell Battery Is Zn(s)

Question 55

Multiple Choice

The cell reaction for a dry cell battery is Zn(s) + 2 MnO2(s) + 2 NH4+(aq) → 2 NH3(aq) + Mn2O3(s) + Zn2+(aq) + H2O(l) .
The standard cell potential for this cell is 1.56 V.What is the standard free energy change for this cell?


A) +151 kJ
B) -151 kJ
C) -301 kJ
D) -602 kJ

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