The standard free energy change for a dry cell battery is
The standard free energy change for a dry cell battery is -301 kJ:
Zn (s) + 2 MnO2 (s) + 2 NH4+ (aq) → 2 NH3 (aq) + Mn2O3 (s) + Zn2+ (aq) + H2O (l)
What is the standard potential for this cell?
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the standard free energy change for a dry cell battery is -301 kjzn s 2 mno2nbsps 2 nh4nbspaq rarr 2 nh3nbspaq
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