Voltaic Cell (5)

Chemistry

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The voltage reading, E° cell for the Daniell cell

Formula to determine the cell voltage, E°cell

The voltage of a voltaic cell by using different pairs of metals

The greater the difference of the value of standard electrode potential of pairs of metals, the greater the voltage reading

Operational definition – Chemical cell

Voltmeter shows a reading when different types of pairs of metals are dipped into electrolytes

The cell notation for the following voltaic cell: Sn2+ / Sn and Mg2+/Mg

Mg(s) | Mg2+(aq) || Sn2+(aq) | Sn(s)

The cell notation for the following voltaic cell: Cl2 / Cl− and MnO4 −/Mn2+

Pt(p) | Cl−(aQ) , Cl2 (aq) || MnO4−(aq) , Mn2+(aq) | Pt(p)

The negative terminal for arrangement of the voltaic for a pair of argentum, Ag and ferum, Fe

Negative terminal: Iron

The positive terminal for arrangement of the voltaic for a pair of argentum, Ag and ferum, Fe

Positive terminal : Argentum

The cell notation for arrangement of the voltaic for a pair of argentum, Ag and ferum, Fe

Fe(p) | Fe2+(aq) || Ag+(aq) | Ag(p)

The half equations for oxidation reaction for arrangement of the voltaic for a pair of argentum, Ag and ferum, Fe

Half oxidation equation : Fe → Fe2+ + 2e−

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