A Voltaic Cell Is Based Upon the Half-Reactions Below Calculate the Equilibrium Constant for the Overall Chemical Reaction at q)+2

question 17

Multiple Choice

A voltaic cell is based upon the half-reactions below. $\begin{array}{lccc}\mathrm{Pb}^{2+}(a q) +2 e^{-} \rightarrow \mathrm{Pb}(s) & E^{\circ}=-0.127 \mathrm{~V}\\\mathrm{Cd}^{2+}(a q) +2 e^{-} \rightarrow \mathrm{Cd}(s) & E^{\circ}=-0.402 \mathrm{~V} \\\end{array}$

Calculate the equilibrium constant for the overall chemical reaction at 25°C.(R = 8.31 J/K?mol,F = 96480 C/mol e?)

• A) 1.3 × 10²
• B) 4.4 × 10⁴
• C) 2.0 × 10⁹
• D) 3.9 × 10¹⁸
• E) 1.3 × 10²¹

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Definitions:

Cost Of Production Report

A detailed statement showing the total production costs for a period and the cost per unit produced.

Equivalent Units

A concept used in cost accounting to express the amount of materials or labor in terms of fully completed units of production.

Equivalent Units

A concept in cost accounting used to express the amount of work done by incomplete units of production in terms of fully completed units.

Physical Units

A quantifiable measurement of products or goods that doesn't consider value or weight, used in inventory and production.