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LECTURE 2

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LECTURE 2

- Previous lesson
(1)Definition of cell.

(2)Classification of cell.

(3)The circuit diagram of dry cell and lid acid cell.

- Lesson decleared
- The charging discharging equation of lid acid cell.Internal diagram of lid acid cell.

- The diagram of lid acid cell.

- The charging and discharging equation of lid acid cell.
- H2SO4 → H+ + HSO4−
- Pb− → PbSO4+H+2e−+HSO4
- PbO2+3H+HSO4−+ →PbSO4+2H2O
- Pb+2H2SO4+PbO2 →2H2SO4+2H2O

- Home work
- (1)Draw a diagram of lid acid cell.
- (2)Explain charging and discharging equation of a lid acid cell.