A Voltaic Cell Can Be Prepared from Copper and Tin

question 11

Multiple Choice

A voltaic cell can be prepared from copper and tin. What is the E°_cell for the cell that forms from the following half-reactions? Cu²⁺(aq) + 2e⁻ ⇄ Cu(s) E° = 0.34 V
Sn⁴⁺(aq) + 2e⁻ ⇄ Sn²⁺(aq) E° = 0.13 V

• A)0.47 V
• B)0.21 V
• C)-0.21 V
• D)-0.47 V
• E)0.42 V

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Definitions:

Sensory Impulses

Electrical signals generated at the sensory receptors that convey information from the body and the external environment to the central nervous system for processing.

Delta Rhythm

A type of brain wave pattern associated with deep sleep, characterized by low frequency and high amplitude waves.

EEG

Electroencephalogram, a test that measures electrical activity in the brain.