The Standard Cell Potential (E°) of a Voltaic Cell Constructed

question 120

Multiple Choice

The standard cell potential (E°) of a voltaic cell constructed using the cell reaction below is 0.76 V: Zn(s) + (aq) → (aq) + (g)
With = 1.0 atm and [ ] = 1.0 mol L^-1, the cell potential is 0.45 V. The concentration of in the cathode compartment is ________ mol L^-1.

• A) 3.3 × 10^-11
• B) 2.4 × 10^-3
• C) 1.1 × 10^-21
• D) 0.73
• E) 5.8 × 10^-6

---

Definitions:

Nominal Interest Rate

The interest rate which is advertised or stated, without adjustment for the full effects of compounding or inflation.

Semiannual Compounding

The process of applying interest to a principal sum twice a year, leading to interest being earned on interest.

Periodic Interest Rate

The interest rate applied over a specific time period, crucial for calculating interest in savings and loan scenarios.

Present Value

The value today of a future amount of money or sequence of cash payments, calculated using a designated return rate.