The Following Reaction Occurs in a Lead Storage Battery: PbO₂(s)

question 14

Multiple Choice

The following reaction occurs in a lead storage battery: PbO₂(s) + Pb(s) + H₂SO₄(aq) ⇌ 2PbSO₄(s) + 2H₂O(l) Which statement is true?

• A)The concentration of H₂SO₄ increases as the battery discharges.
• B)Pb is formed at the anode during charging.
• C)PbO₂ is formed at the anode during charging.
• D)The mass of Pb decreases during charging.
• E)The mass of PbSO₄ remains constant during charging and discharging.

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Definitions:

Straight-Line Method

A depreciation method that allocates an equal amount of the depreciable cost of an asset to each year of its useful life.

Semiannual Interest

Interest that is calculated and paid twice a year.

Bond Premium

When a bond's selling price surpasses its original issued cost, known as its face value.

Annual Interest

The amount of interest charged or earned over a year on borrowed capital or investment principal.