If in a Lead Storage Battery the Reaction at the Cathode

question 104

Multiple Choice

If in a lead storage battery the reaction at the cathode is:
PbO₂(s) + 4 H⁺(aq) + SO₄^2- (aq) + 2 e^- → PbSO₄(s) + 2 H₂O(l)
How many grams of lead sulfate are formed on one plate if 20.A average current occurs for 2.0 minutes? Assume 100% efficiency.

• A)0.063 g
• B)0.13 g
• C)3.8 g
• D)7.5 g
• E)requires additional information

---

Definitions:

Callable Bonds

Bonds that can be redeemed (called) by the issuer prior to their maturity date, typically at a premium above their par value.

Interest Payable

The amount of interest expense that has been incurred but not yet paid by a company, typically related to loans or credit.

Fiscal Year

A 12-month period used for accounting purposes and preparing financial statements, which may or may not align with the calendar year.

Premium, Discount, or Par

A classification to describe if a bond is trading above (premium), below (discount), or at its face value (par).