Find E_cell at 25 °C for the Following Voltaic Cell

question 96

Multiple Choice

Find E_cell at 25 °C for the following voltaic cell:
Cu(s) ∣ Cu²⁺(aq) (0.10 M) Cu²⁺(aq) (0.85 M) ∣ Cu(s)
The half-reaction is:
Cu²⁺(aq) + 2 e^- → Cu(s) E° = +0.377 volts

• A)+0.0209 V
• B)+0.0550 V
• C)+0.0275 V
• D)-0.0209 V
• E)+0.310 V

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Definitions:

Direct Materials Cost Variance

The difference between the budgeted cost of materials and the actual cost incurred for materials used in production.

Standard Materials Cost

The budgeted or estimated cost of raw materials required for production, used for cost control and variance analysis.

Material Used

The raw materials that have been consumed in the production process to create goods.

Total Labor Cost Variance

This refers to the difference between the actual labor costs incurred and the standard labor costs for the actual production levels.