Use the Standard Half-Cell Potentials Listed Below to Calculate the Standard

question 45

Multiple Choice

Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring in an electrochemical cell at 2 5°C. (The equation is balanced.) Pb(s) + Br₂(l) → Pb²⁺(aq) + 2 Br⁻(aq)
Pb²⁺(aq) + 2 e⁻ → Pb(s) E° = -0.13 V
Br₂(l) + 2 e⁻ → 2 Br⁻(aq) E° = +1.07 V

• A) +1.20 V
• B) +0.94 V
• C) -0.94 V
• D) -1.20 V
• E) -0.60 V

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Definitions:

Benzene

Aromatic hydrocarbon well-known for its hexagonal ring structure, consisting of six carbon atoms connected by alternate single and double bonds.

Synthesis

The process of combining simpler substances chemically to form a more complex substance.

Starting Material

The specific substances or compounds that undergo chemical reactions to produce the desired product.

Reaction

A process that results in the transformation of chemical substances into other substances through the breaking and forming of chemical bonds.