Red Seal Hairstylist Practice Exam

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The standard electrode potentials for two half-cells are: Ag⁺ + e⁻ ⇌ Ag (E° = +0.80 V) and Cu²⁺ + 2e⁻ ⇌ Cu (E° = +0.34 V). What is the standard cell potential?

+1.14 V +0.46 V +1.26 V -0.46 V

Correct Answer:

+0.46 V

Explanation:

The standard cell potential is the difference between the more positive and less positive potentials: +0.80 V - (+0.34 V) = +0.46 V.

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