Calculate E° for the Electrochemical Cell Below, Pb |PbCl₂ |

question 46

Multiple Choice

Calculate E° for the electrochemical cell below, Pb |PbCl₂ | Cl^- || Fe³⁺,Fe²⁺ | Pt Given the following reduction half-reactions.
$\begin{array}{ll}\mathrm{Pb}^{2+}(a q) +2 e^{-} \rightarrow \mathrm{Pb}(s) & E^{\circ}=-0.126 \mathrm{~V} \\\mathrm{PbCl}_{2}(s) +2 e^{-} \rightarrow \mathrm{Pb}(s) +2 \mathrm{Cl}^{-}(a q) & E^{\circ}=-0.267 \mathrm{~V} \\\mathrm{Fe}^{3+}(a q) +e^{-} \rightarrow \mathrm{Fe}^{2+}(a q) & E^{\circ}=+0.771 \mathrm{~V} \\\mathrm{Fe}^{2+}(a q) +e^{-} \rightarrow \mathrm{Fe}(s) & E^{\circ}=-0.44 \mathrm{~V}\end{array}$

• A) -0.504 V
• B) -0.062 V
• C) +0.504 V
• D) +1.038 V
• E) +1.604 V

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Definitions:

Direct Labor Costs

Wages and other expenses for employees who are directly involved in the manufacturing of products.

Direct Materials

Raw materials that can be directly attributed to the production of specific goods or services, forming a significant component of manufacturing costs.

Job-Order Costing

Job-order costing is an accounting method that assigns costs to specific jobs or batches, useful in industries where each product or service is customized.

Direct Labor Costs

Expenses directly associated with the labor used in the production of goods or services, such as wages for workers on the assembly line.