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For the lead storage battery, the chemical reaction is: pb pbo2 2 h2so4 2 pbso4 2 h2o the pb in this voltaic cell acts as:_______

Sagot :

The lead (Pb) in the lead storage battery act as an anode

What is Voltaic Cell?

A voltaic cell or galvanic cell is an electrochemical cell that uses chemical reactions to produce electrical energy.

Parts of voltaic cell

  • Anode where oxidation occurs
  • Cathode where reduction occurs

In lead storage battery, the following reactions occur:

At anode:

[tex]Pb(s) + H_2SO_{4} + H_2O(l) \rightarrow2e^- + PbSO_{4} (s) + H_3O^+(aq)[/tex]

At Cathode:

[tex]PbO_2(s) + H_2SO_4(aq) + 3H_3O+(aq) + 2e^- \rightarrow PbSO_4(s) + 5H_2O(l)[/tex]

Overall reaction:

[tex]Pb(s) + PbO_2(s) + 2H_2SO_4 (aq.) \rightarrow PbSO_4(s) + 2H_2O(l)[/tex]

Hence, Pb acts as an anode and [tex]PbO_2[/tex] as a cathode.

Learn more about voltaic cell:

https://brainly.com/question/4430225

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