Many Different Ways Have Been Proposed to Make Batteries A) 016 V
B) 0

question 33

Multiple Choice

Many different ways have been proposed to make batteries. One cell is set up with copper and lead electrodes in contact with CuSO₄(aq) and Pb(NO₃) ₂ (aq) , respectively. If the Pb²⁺ and Cu²⁺ concentrations are each 1.0 M, what is the overall cell potential $\begin{array}{ll}\mathrm{Pb}^{2+}+2 \mathrm{e}^{-} \rightarrow \mathrm{Pb} & \mathrm{E}^{\circ}=-0.22 \mathrm{~V} \\\mathrm{Cu}^{2+}+2 \mathrm{e}^{-} \rightarrow \mathrm{Cu} & \mathrm{E}^{\circ}=+0.34 \mathrm{~V}\end{array}$

• A) 0.16 V
• B) 0.36 V
• C) 0.56 V
• D) 0.76 V
• E) None of the above

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