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

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Definitions:

Activity Variance

The difference between predicted and actual costs of business activities, used to assess performance and control costs.

Wages And Salaries

Wages and Salaries represent the remuneration paid to employees in return for their labor, whether calculated by hour, day, or salaried basis.

Budgeting

The process of creating a plan to spend your money, allowing you to determine in advance whether you will have enough money to do the things you need to do or would like to do.

Activity Variance

The difference between the expected performance or cost of an activity and its actual performance or cost, used for budgetary control and operational improvements.