Chemistry
Physics and chemistry of a dry cell battery
Outer layer: Zinc Middle layer: Ammonium Chloride Inner layer: Manganese Dioxide Carbon Rod WaveGuide(wire) Zn(s) → Zn2+(aq) + 2 e- 2 e- + 2NH4+(aq) → 2NH3(aq) + H2(g) H2(g) + 2MnO2(s)→ Mn2O3(s) + H2O(l) 2e- Read more…